Home / 387,832,919.52-581,745,545.52-177,683,996.16

Finding the Fourth Proportional to 387,832,919.52, 581,745,545.52 and 177,683,996.16

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Solution

The fourth proportional to 387,832,919.52, 581,745,545.52 and 177,683,996.16 is: 266,524,237.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,832,919.52 : 581,745,545.52 = 177,683,996.16 : x
  2. Step 2: Convert to fraction form
    387,832,919.52/581,745,545.52 = 177,683,996.16/x
  3. Step 3: Cross multiply
    387,832,919.52x = 581,745,545.52 × 177,683,996.16
  4. Step 4: Simplify right side
    387,832,919.52x = 103,366,873,276,272,784
  5. Step 5: Solve for x
    x = 103,366,873,276,272,784/387,832,919.52
  6. Step 6: Final answer
    x = 266,524,237.82

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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.