Home / 102,615,974.28-141,609,827.88-55,572,897.96

Finding the Fourth Proportional to 102,615,974.28, 141,609,827.88 and 55,572,897.96

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Solution

The fourth proportional to 102,615,974.28, 141,609,827.88 and 55,572,897.96 is: 76,690,481.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,615,974.28 : 141,609,827.88 = 55,572,897.96 : x
  2. Step 2: Convert to fraction form
    102,615,974.28/141,609,827.88 = 55,572,897.96/x
  3. Step 3: Cross multiply
    102,615,974.28x = 141,609,827.88 × 55,572,897.96
  4. Step 4: Simplify right side
    102,615,974.28x = 7,869,668,514,908,403
  5. Step 5: Solve for x
    x = 7,869,668,514,908,403/102,615,974.28
  6. Step 6: Final answer
    x = 76,690,481.87

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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.