Home / 89,815,355.10-123,944,468.09-52,142,014.71

Finding the Fourth Proportional to 89,815,355.10, 123,944,468.09 and 52,142,014.71

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Solution

The fourth proportional to 89,815,355.10, 123,944,468.09 and 52,142,014.71 is: 71,955,561.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,815,355.10 : 123,944,468.09 = 52,142,014.71 : x
  2. Step 2: Convert to fraction form
    89,815,355.10/123,944,468.09 = 52,142,014.71/x
  3. Step 3: Cross multiply
    89,815,355.10x = 123,944,468.09 × 52,142,014.71
  4. Step 4: Simplify right side
    89,815,355.10x = 6,462,714,278,111,195
  5. Step 5: Solve for x
    x = 6,462,714,278,111,195/89,815,355.10
  6. Step 6: Final answer
    x = 71,955,561.17

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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.