Home / 100,282,623.85-138,339,089.17-65,495,676.97

Finding the Fourth Proportional to 100,282,623.85, 138,339,089.17 and 65,495,676.97

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Solution

The fourth proportional to 100,282,623.85, 138,339,089.17 and 65,495,676.97 is: 90,350,770.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,282,623.85 : 138,339,089.17 = 65,495,676.97 : x
  2. Step 2: Convert to fraction form
    100,282,623.85/138,339,089.17 = 65,495,676.97/x
  3. Step 3: Cross multiply
    100,282,623.85x = 138,339,089.17 × 65,495,676.97
  4. Step 4: Simplify right side
    100,282,623.85x = 9,060,612,296,092,758
  5. Step 5: Solve for x
    x = 9,060,612,296,092,758/100,282,623.85
  6. Step 6: Final answer
    x = 90,350,770.14

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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.