Home / 145,008,111,693.05-200,102,177,642.18-79,898,895,409.48

Finding the Fourth Proportional to 145,008,111,693.05, 200,102,177,642.18 and 79,898,895,409.48

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Solution

The fourth proportional to 145,008,111,693.05, 200,102,177,642.18 and 79,898,895,409.48 is: 110,255,507,612.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,008,111,693.05 : 200,102,177,642.18 = 79,898,895,409.48 : x
  2. Step 2: Convert to fraction form
    145,008,111,693.05/200,102,177,642.18 = 79,898,895,409.48/x
  3. Step 3: Cross multiply
    145,008,111,693.05x = 200,102,177,642.18 × 79,898,895,409.48
  4. Step 4: Simplify right side
    145,008,111,693.05x = 15,987,942,962,641,726,603,264
  5. Step 5: Solve for x
    x = 15,987,942,962,641,726,603,264/145,008,111,693.05
  6. Step 6: Final answer
    x = 110,255,507,612.46

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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.