Home / 71,165,020.11-98,207,001.67-39,802,994.22

Finding the Fourth Proportional to 71,165,020.11, 98,207,001.67 and 39,802,994.22

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Solution

The fourth proportional to 71,165,020.11, 98,207,001.67 and 39,802,994.22 is: 54,927,725.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,165,020.11 : 98,207,001.67 = 39,802,994.22 : x
  2. Step 2: Convert to fraction form
    71,165,020.11/98,207,001.67 = 39,802,994.22/x
  3. Step 3: Cross multiply
    71,165,020.11x = 98,207,001.67 × 39,802,994.22
  4. Step 4: Simplify right side
    71,165,020.11x = 3,908,932,719,834,540.50
  5. Step 5: Solve for x
    x = 3,908,932,719,834,540.50/71,165,020.11
  6. Step 6: Final answer
    x = 54,927,725.92

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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.