Home / 129,437,354.70-194,156,032.05-112,053,329.10

Finding the Fourth Proportional to 129,437,354.70, 194,156,032.05 and 112,053,329.10

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Solution

The fourth proportional to 129,437,354.70, 194,156,032.05 and 112,053,329.10 is: 168,079,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,437,354.70 : 194,156,032.05 = 112,053,329.10 : x
  2. Step 2: Convert to fraction form
    129,437,354.70/194,156,032.05 = 112,053,329.10/x
  3. Step 3: Cross multiply
    129,437,354.70x = 194,156,032.05 × 112,053,329.10
  4. Step 4: Simplify right side
    129,437,354.70x = 21,755,829,756,048,796
  5. Step 5: Solve for x
    x = 21,755,829,756,048,796/129,437,354.70
  6. Step 6: Final answer
    x = 168,079,993.65

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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.