Home / 145,627,882.70-218,441,824.05-133,156,733.90

Finding the Fourth Proportional to 145,627,882.70, 218,441,824.05 and 133,156,733.90

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Solution

The fourth proportional to 145,627,882.70, 218,441,824.05 and 133,156,733.90 is: 199,735,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,627,882.70 : 218,441,824.05 = 133,156,733.90 : x
  2. Step 2: Convert to fraction form
    145,627,882.70/218,441,824.05 = 133,156,733.90/x
  3. Step 3: Cross multiply
    145,627,882.70x = 218,441,824.05 × 133,156,733.90
  4. Step 4: Simplify right side
    145,627,882.70x = 29,086,999,837,656,472
  5. Step 5: Solve for x
    x = 29,086,999,837,656,472/145,627,882.70
  6. Step 6: Final answer
    x = 199,735,100.85

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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.