Home / 181,915,964.10-272,873,946.15-72,687,123.90

Finding the Fourth Proportional to 181,915,964.10, 272,873,946.15 and 72,687,123.90

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Solution

The fourth proportional to 181,915,964.10, 272,873,946.15 and 72,687,123.90 is: 109,030,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,915,964.10 : 272,873,946.15 = 72,687,123.90 : x
  2. Step 2: Convert to fraction form
    181,915,964.10/272,873,946.15 = 72,687,123.90/x
  3. Step 3: Cross multiply
    181,915,964.10x = 272,873,946.15 × 72,687,123.90
  4. Step 4: Simplify right side
    181,915,964.10x = 19,834,422,332,886,976
  5. Step 5: Solve for x
    x = 19,834,422,332,886,976/181,915,964.10
  6. Step 6: Final answer
    x = 109,030,685.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.