Home / 101,783,736,010.86-140,471,477,100.44-76,018,284,240.90

Finding the Fourth Proportional to 101,783,736,010.86, 140,471,477,100.44 and 76,018,284,240.90

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Solution

The fourth proportional to 101,783,736,010.86, 140,471,477,100.44 and 76,018,284,240.90 is: 104,912,642,161.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,783,736,010.86 : 140,471,477,100.44 = 76,018,284,240.90 : x
  2. Step 2: Convert to fraction form
    101,783,736,010.86/140,471,477,100.44 = 76,018,284,240.90/x
  3. Step 3: Cross multiply
    101,783,736,010.86x = 140,471,477,100.44 × 76,018,284,240.90
  4. Step 4: Simplify right side
    101,783,736,010.86x = 10,678,400,673,960,322,662,400
  5. Step 5: Solve for x
    x = 10,678,400,673,960,322,662,400/101,783,736,010.86
  6. Step 6: Final answer
    x = 104,912,642,161.43

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Double scale
Find fourth proportional to 101,783,736,011.86, 140,471,477,101.82 and 76,018,284,241.90
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.