Home / 101,494,505.44-140,063,761.20-55,085,315.68

Finding the Fourth Proportional to 101,494,505.44, 140,063,761.20 and 55,085,315.68

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Solution

The fourth proportional to 101,494,505.44, 140,063,761.20 and 55,085,315.68 is: 76,018,464.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,494,505.44 : 140,063,761.20 = 55,085,315.68 : x
  2. Step 2: Convert to fraction form
    101,494,505.44/140,063,761.20 = 55,085,315.68/x
  3. Step 3: Cross multiply
    101,494,505.44x = 140,063,761.20 × 55,085,315.68
  4. Step 4: Simplify right side
    101,494,505.44x = 7,715,456,501,030,135
  5. Step 5: Solve for x
    x = 7,715,456,501,030,135/101,494,505.44
  6. Step 6: Final answer
    x = 76,018,464.92

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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.