Home / 89,718,516.91-123,834,588.02-58,434,520.74

Finding the Fourth Proportional to 89,718,516.91, 123,834,588.02 and 58,434,520.74

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Solution

The fourth proportional to 89,718,516.91, 123,834,588.02 and 58,434,520.74 is: 80,654,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,718,516.91 : 123,834,588.02 = 58,434,520.74 : x
  2. Step 2: Convert to fraction form
    89,718,516.91/123,834,588.02 = 58,434,520.74/x
  3. Step 3: Cross multiply
    89,718,516.91x = 123,834,588.02 × 58,434,520.74
  4. Step 4: Simplify right side
    89,718,516.91x = 7,236,214,801,775,024
  5. Step 5: Solve for x
    x = 7,236,214,801,775,024/89,718,516.91
  6. Step 6: Final answer
    x = 80,654,641.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.