Home / 129,364,058.60-194,049,198.30-38,490,612.20

Finding the Fourth Proportional to 129,364,058.60, 194,049,198.30 and 38,490,612.20

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Solution

The fourth proportional to 129,364,058.60, 194,049,198.30 and 38,490,612.20 is: 57,736,843.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,364,058.60 : 194,049,198.30 = 38,490,612.20 : x
  2. Step 2: Convert to fraction form
    129,364,058.60/194,049,198.30 = 38,490,612.20/x
  3. Step 3: Cross multiply
    129,364,058.60x = 194,049,198.30 × 38,490,612.20
  4. Step 4: Simplify right side
    129,364,058.60x = 7,469,072,439,486,200
  5. Step 5: Solve for x
    x = 7,469,072,439,486,200/129,364,058.60
  6. Step 6: Final answer
    x = 57,736,843.76

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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.