Home / 129,317,182.66-194,001,327.29-47,436,821.20

Finding the Fourth Proportional to 129,317,182.66, 194,001,327.29 and 47,436,821.20

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Solution

The fourth proportional to 129,317,182.66, 194,001,327.29 and 47,436,821.20 is: 71,164,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,317,182.66 : 194,001,327.29 = 47,436,821.20 : x
  2. Step 2: Convert to fraction form
    129,317,182.66/194,001,327.29 = 47,436,821.20/x
  3. Step 3: Cross multiply
    129,317,182.66x = 194,001,327.29 × 47,436,821.20
  4. Step 4: Simplify right side
    129,317,182.66x = 9,202,806,275,218,410
  5. Step 5: Solve for x
    x = 9,202,806,275,218,410/129,317,182.66
  6. Step 6: Final answer
    x = 71,164,605.40

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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.