Home / 149,471,981.70-224,207,972.55-128,666,066.55

Finding the Fourth Proportional to 149,471,981.70, 224,207,972.55 and 128,666,066.55

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Solution

The fourth proportional to 149,471,981.70, 224,207,972.55 and 128,666,066.55 is: 192,999,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,471,981.70 : 224,207,972.55 = 128,666,066.55 : x
  2. Step 2: Convert to fraction form
    149,471,981.70/224,207,972.55 = 128,666,066.55/x
  3. Step 3: Cross multiply
    149,471,981.70x = 224,207,972.55 × 128,666,066.55
  4. Step 4: Simplify right side
    149,471,981.70x = 28,847,957,917,158,876
  5. Step 5: Solve for x
    x = 28,847,957,917,158,876/149,471,981.70
  6. Step 6: Final answer
    x = 192,999,099.83

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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.