Home / 71,416,044.71-98,555,221.55-40,061,044.19

Finding the Fourth Proportional to 71,416,044.71, 98,555,221.55 and 40,061,044.19

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Solution

The fourth proportional to 71,416,044.71, 98,555,221.55 and 40,061,044.19 is: 55,284,846.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,416,044.71 : 98,555,221.55 = 40,061,044.19 : x
  2. Step 2: Convert to fraction form
    71,416,044.71/98,555,221.55 = 40,061,044.19/x
  3. Step 3: Cross multiply
    71,416,044.71x = 98,555,221.55 × 40,061,044.19
  4. Step 4: Simplify right side
    71,416,044.71x = 3,948,225,085,669,790
  5. Step 5: Solve for x
    x = 3,948,225,085,669,790/71,416,044.71
  6. Step 6: Final answer
    x = 55,284,846.73

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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.