Home / 129,800,920.80-194,768,488.08-57,068,726.88

Finding the Fourth Proportional to 129,800,920.80, 194,768,488.08 and 57,068,726.88

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Solution

The fourth proportional to 129,800,920.80, 194,768,488.08 and 57,068,726.88 is: 85,632,594.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,800,920.80 : 194,768,488.08 = 57,068,726.88 : x
  2. Step 2: Convert to fraction form
    129,800,920.80/194,768,488.08 = 57,068,726.88/x
  3. Step 3: Cross multiply
    129,800,920.80x = 194,768,488.08 × 57,068,726.88
  4. Step 4: Simplify right side
    129,800,920.80x = 11,115,189,651,068,056
  5. Step 5: Solve for x
    x = 11,115,189,651,068,056/129,800,920.80
  6. Step 6: Final answer
    x = 85,632,594.77

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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.