Home / 123,822,032.40-185,520,472.20-80,669,023.20

Finding the Fourth Proportional to 123,822,032.40, 185,520,472.20 and 80,669,023.20

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Solution

The fourth proportional to 123,822,032.40, 185,520,472.20 and 80,669,023.20 is: 120,865,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,822,032.40 : 185,520,472.20 = 80,669,023.20 : x
  2. Step 2: Convert to fraction form
    123,822,032.40/185,520,472.20 = 80,669,023.20/x
  3. Step 3: Cross multiply
    123,822,032.40x = 185,520,472.20 × 80,669,023.20
  4. Step 4: Simplify right side
    123,822,032.40x = 14,965,755,275,976,754
  5. Step 5: Solve for x
    x = 14,965,755,275,976,754/123,822,032.40
  6. Step 6: Final answer
    x = 120,865,043.05

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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.