Home / 145,627,781.45-218,441,672.18-133,156,632.65

Finding the Fourth Proportional to 145,627,781.45, 218,441,672.18 and 133,156,632.65

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Solution

The fourth proportional to 145,627,781.45, 218,441,672.18 and 133,156,632.65 is: 199,734,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,627,781.45 : 218,441,672.18 = 133,156,632.65 : x
  2. Step 2: Convert to fraction form
    145,627,781.45/218,441,672.18 = 133,156,632.65/x
  3. Step 3: Cross multiply
    145,627,781.45x = 218,441,672.18 × 133,156,632.65
  4. Step 4: Simplify right side
    145,627,781.45x = 29,086,957,497,258,204
  5. Step 5: Solve for x
    x = 29,086,957,497,258,204/145,627,781.45
  6. Step 6: Final answer
    x = 199,734,948.98

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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.