Home / 218,522,981.70-327,784,472.55-56,964,917.70

Finding the Fourth Proportional to 218,522,981.70, 327,784,472.55 and 56,964,917.70

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Solution

The fourth proportional to 218,522,981.70, 327,784,472.55 and 56,964,917.70 is: 85,447,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,522,981.70 : 327,784,472.55 = 56,964,917.70 : x
  2. Step 2: Convert to fraction form
    218,522,981.70/327,784,472.55 = 56,964,917.70/x
  3. Step 3: Cross multiply
    218,522,981.70x = 327,784,472.55 × 56,964,917.70
  4. Step 4: Simplify right side
    218,522,981.70x = 18,672,215,502,148,660
  5. Step 5: Solve for x
    x = 18,672,215,502,148,660/218,522,981.70
  6. Step 6: Final answer
    x = 85,447,376.55

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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.