Home / 132,478,874.99-198,747,950.45-40,369,821.89

Finding the Fourth Proportional to 132,478,874.99, 198,747,950.45 and 40,369,821.89

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Solution

The fourth proportional to 132,478,874.99, 198,747,950.45 and 40,369,821.89 is: 60,563,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,478,874.99 : 198,747,950.45 = 40,369,821.89 : x
  2. Step 2: Convert to fraction form
    132,478,874.99/198,747,950.45 = 40,369,821.89/x
  3. Step 3: Cross multiply
    132,478,874.99x = 198,747,950.45 × 40,369,821.89
  4. Step 4: Simplify right side
    132,478,874.99x = 8,023,419,359,473,456
  5. Step 5: Solve for x
    x = 8,023,419,359,473,456/132,478,874.99
  6. Step 6: Final answer
    x = 60,563,764.30

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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.