Home / 129,437,355.70-194,156,033.55-112,053,330.10

Finding the Fourth Proportional to 129,437,355.70, 194,156,033.55 and 112,053,330.10

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Solution

The fourth proportional to 129,437,355.70, 194,156,033.55 and 112,053,330.10 is: 168,079,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,437,355.70 : 194,156,033.55 = 112,053,330.10 : x
  2. Step 2: Convert to fraction form
    129,437,355.70/194,156,033.55 = 112,053,330.10/x
  3. Step 3: Cross multiply
    129,437,355.70x = 194,156,033.55 × 112,053,330.10
  4. Step 4: Simplify right side
    129,437,355.70x = 21,755,830,118,284,824
  5. Step 5: Solve for x
    x = 21,755,830,118,284,824/129,437,355.70
  6. Step 6: Final answer
    x = 168,079,995.15

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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.