Home / 129,543,747.20-194,221,142.40-52,827,286.40

Finding the Fourth Proportional to 129,543,747.20, 194,221,142.40 and 52,827,286.40

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Solution

The fourth proportional to 129,543,747.20, 194,221,142.40 and 52,827,286.40 is: 79,202,401.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,543,747.20 : 194,221,142.40 = 52,827,286.40 : x
  2. Step 2: Convert to fraction form
    129,543,747.20/194,221,142.40 = 52,827,286.40/x
  3. Step 3: Cross multiply
    129,543,747.20x = 194,221,142.40 × 52,827,286.40
  4. Step 4: Simplify right side
    129,543,747.20x = 10,260,175,914,499,984
  5. Step 5: Solve for x
    x = 10,260,175,914,499,984/129,543,747.20
  6. Step 6: Final answer
    x = 79,202,401.79

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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.