Home / 90,741,366.27-136,111,841.69-38,892,349.22

Finding the Fourth Proportional to 90,741,366.27, 136,111,841.69 and 38,892,349.22

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Solution

The fourth proportional to 90,741,366.27, 136,111,841.69 and 38,892,349.22 is: 58,338,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,741,366.27 : 136,111,841.69 = 38,892,349.22 : x
  2. Step 2: Convert to fraction form
    90,741,366.27/136,111,841.69 = 38,892,349.22/x
  3. Step 3: Cross multiply
    90,741,366.27x = 136,111,841.69 × 38,892,349.22
  4. Step 4: Simplify right side
    90,741,366.27x = 5,293,709,279,109,815
  5. Step 5: Solve for x
    x = 5,293,709,279,109,815/90,741,366.27
  6. Step 6: Final answer
    x = 58,338,434.79

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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.