Home / 82,687,471.48-124,049,892.97-27,355,176.61

Finding the Fourth Proportional to 82,687,471.48, 124,049,892.97 and 27,355,176.61

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Solution

The fourth proportional to 82,687,471.48, 124,049,892.97 and 27,355,176.61 is: 41,038,946.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,687,471.48 : 124,049,892.97 = 27,355,176.61 : x
  2. Step 2: Convert to fraction form
    82,687,471.48/124,049,892.97 = 27,355,176.61/x
  3. Step 3: Cross multiply
    82,687,471.48x = 124,049,892.97 × 27,355,176.61
  4. Step 4: Simplify right side
    82,687,471.48x = 3,393,406,730,645,947.50
  5. Step 5: Solve for x
    x = 3,393,406,730,645,947.50/82,687,471.48
  6. Step 6: Final answer
    x = 41,038,946.65

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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.