Home / 129,317,627-194,001,994.38-47,437,265.54

Finding the Fourth Proportional to 129,317,627, 194,001,994.38 and 47,437,265.54

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Solution

The fourth proportional to 129,317,627, 194,001,994.38 and 47,437,265.54 is: 71,165,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,317,627 : 194,001,994.38 = 47,437,265.54 : x
  2. Step 2: Convert to fraction form
    129,317,627/194,001,994.38 = 47,437,265.54/x
  3. Step 3: Cross multiply
    129,317,627x = 194,001,994.38 × 47,437,265.54
  4. Step 4: Simplify right side
    129,317,627x = 9,202,924,122,693,648
  5. Step 5: Solve for x
    x = 9,202,924,122,693,648/129,317,627
  6. Step 6: Final answer
    x = 71,165,272.18

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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.