Home / 132,387,712.80-198,581,569.20-64,363,264.80

Finding the Fourth Proportional to 132,387,712.80, 198,581,569.20 and 64,363,264.80

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Solution

The fourth proportional to 132,387,712.80, 198,581,569.20 and 64,363,264.80 is: 96,544,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,387,712.80 : 198,581,569.20 = 64,363,264.80 : x
  2. Step 2: Convert to fraction form
    132,387,712.80/198,581,569.20 = 64,363,264.80/x
  3. Step 3: Cross multiply
    132,387,712.80x = 198,581,569.20 × 64,363,264.80
  4. Step 4: Simplify right side
    132,387,712.80x = 12,781,358,122,819,122
  5. Step 5: Solve for x
    x = 12,781,358,122,819,122/132,387,712.80
  6. Step 6: Final answer
    x = 96,544,897.20

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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.