Home / 181,377,151.20-272,101,156.20-72,183,740.40

Finding the Fourth Proportional to 181,377,151.20, 272,101,156.20 and 72,183,740.40

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Solution

The fourth proportional to 181,377,151.20, 272,101,156.20 and 72,183,740.40 is: 108,289,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,377,151.20 : 272,101,156.20 = 72,183,740.40 : x
  2. Step 2: Convert to fraction form
    181,377,151.20/272,101,156.20 = 72,183,740.40/x
  3. Step 3: Cross multiply
    181,377,151.20x = 272,101,156.20 × 72,183,740.40
  4. Step 4: Simplify right side
    181,377,151.20x = 19,641,279,221,680,652
  5. Step 5: Solve for x
    x = 19,641,279,221,680,652/181,377,151.20
  6. Step 6: Final answer
    x = 108,289,710.65

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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.