Home / 82,687,472.48-124,049,894.47-27,355,177.61

Finding the Fourth Proportional to 82,687,472.48, 124,049,894.47 and 27,355,177.61

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Solution

The fourth proportional to 82,687,472.48, 124,049,894.47 and 27,355,177.61 is: 41,038,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,687,472.48 : 124,049,894.47 = 27,355,177.61 : x
  2. Step 2: Convert to fraction form
    82,687,472.48/124,049,894.47 = 27,355,177.61/x
  3. Step 3: Cross multiply
    82,687,472.48x = 124,049,894.47 × 27,355,177.61
  4. Step 4: Simplify right side
    82,687,472.48x = 3,393,406,895,728,606.50
  5. Step 5: Solve for x
    x = 3,393,406,895,728,606.50/82,687,472.48
  6. Step 6: Final answer
    x = 41,038,948.15

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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.