Home / 218,791,233.44-328,186,821.45-89,398,709.78

Finding the Fourth Proportional to 218,791,233.44, 328,186,821.45 and 89,398,709.78

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Solution

The fourth proportional to 218,791,233.44, 328,186,821.45 and 89,398,709.78 is: 134,098,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,791,233.44 : 328,186,821.45 = 89,398,709.78 : x
  2. Step 2: Convert to fraction form
    218,791,233.44/328,186,821.45 = 89,398,709.78/x
  3. Step 3: Cross multiply
    218,791,233.44x = 328,186,821.45 × 89,398,709.78
  4. Step 4: Simplify right side
    218,791,233.44x = 29,339,478,403,123,544
  5. Step 5: Solve for x
    x = 29,339,478,403,123,544/218,791,233.44
  6. Step 6: Final answer
    x = 134,098,052.93

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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.