Home / 129,437,356.20-194,156,034.30-112,053,330.60

Finding the Fourth Proportional to 129,437,356.20, 194,156,034.30 and 112,053,330.60

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Solution

The fourth proportional to 129,437,356.20, 194,156,034.30 and 112,053,330.60 is: 168,079,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,437,356.20 : 194,156,034.30 = 112,053,330.60 : x
  2. Step 2: Convert to fraction form
    129,437,356.20/194,156,034.30 = 112,053,330.60/x
  3. Step 3: Cross multiply
    129,437,356.20x = 194,156,034.30 × 112,053,330.60
  4. Step 4: Simplify right side
    129,437,356.20x = 21,755,830,299,402,840
  5. Step 5: Solve for x
    x = 21,755,830,299,402,840/129,437,356.20
  6. Step 6: Final answer
    x = 168,079,995.90

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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.