Home / 131,225,706.20-181,087,966.02-72,487,107.14

Finding the Fourth Proportional to 131,225,706.20, 181,087,966.02 and 72,487,107.14

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Solution

The fourth proportional to 131,225,706.20, 181,087,966.02 and 72,487,107.14 is: 100,030,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,225,706.20 : 181,087,966.02 = 72,487,107.14 : x
  2. Step 2: Convert to fraction form
    131,225,706.20/181,087,966.02 = 72,487,107.14/x
  3. Step 3: Cross multiply
    131,225,706.20x = 181,087,966.02 × 72,487,107.14
  4. Step 4: Simplify right side
    131,225,706.20x = 13,126,542,794,656,420
  5. Step 5: Solve for x
    x = 13,126,542,794,656,420/131,225,706.20
  6. Step 6: Final answer
    x = 100,030,269.79

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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.