Home / 219,995,251.20-329,992,876.80-74,433,561.30

Finding the Fourth Proportional to 219,995,251.20, 329,992,876.80 and 74,433,561.30

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Solution

The fourth proportional to 219,995,251.20, 329,992,876.80 and 74,433,561.30 is: 111,650,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,995,251.20 : 329,992,876.80 = 74,433,561.30 : x
  2. Step 2: Convert to fraction form
    219,995,251.20/329,992,876.80 = 74,433,561.30/x
  3. Step 3: Cross multiply
    219,995,251.20x = 329,992,876.80 × 74,433,561.30
  4. Step 4: Simplify right side
    219,995,251.20x = 24,562,545,023,856,148
  5. Step 5: Solve for x
    x = 24,562,545,023,856,148/219,995,251.20
  6. Step 6: Final answer
    x = 111,650,341.95

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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.