Home / 146,993,981.41-220,490,972.01-54,884,912.71

Finding the Fourth Proportional to 146,993,981.41, 220,490,972.01 and 54,884,912.71

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Solution

The fourth proportional to 146,993,981.41, 220,490,972.01 and 54,884,912.71 is: 82,327,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,993,981.41 : 220,490,972.01 = 54,884,912.71 : x
  2. Step 2: Convert to fraction form
    146,993,981.41/220,490,972.01 = 54,884,912.71/x
  3. Step 3: Cross multiply
    146,993,981.41x = 220,490,972.01 × 54,884,912.71
  4. Step 4: Simplify right side
    146,993,981.41x = 12,101,627,752,111,902
  5. Step 5: Solve for x
    x = 12,101,627,752,111,902/146,993,981.41
  6. Step 6: Final answer
    x = 82,327,369.03

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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.