Home / 132,388,531.92-198,611,524.94-40,269,875.76

Finding the Fourth Proportional to 132,388,531.92, 198,611,524.94 and 40,269,875.76

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Solution

The fourth proportional to 132,388,531.92, 198,611,524.94 and 40,269,875.76 is: 60,413,551.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,388,531.92 : 198,611,524.94 = 40,269,875.76 : x
  2. Step 2: Convert to fraction form
    132,388,531.92/198,611,524.94 = 40,269,875.76/x
  3. Step 3: Cross multiply
    132,388,531.92x = 198,611,524.94 × 40,269,875.76
  4. Step 4: Simplify right side
    132,388,531.92x = 7,998,061,433,636,592
  5. Step 5: Solve for x
    x = 7,998,061,433,636,592/132,388,531.92
  6. Step 6: Final answer
    x = 60,413,551.82

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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.