Home / 274,481,545.74-378,791,114.10-149,039,028.82

Finding the Fourth Proportional to 274,481,545.74, 378,791,114.10 and 149,039,028.82

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Solution

The fourth proportional to 274,481,545.74, 378,791,114.10 and 149,039,028.82 is: 205,677,433.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,481,545.74 : 378,791,114.10 = 149,039,028.82 : x
  2. Step 2: Convert to fraction form
    274,481,545.74/378,791,114.10 = 149,039,028.82/x
  3. Step 3: Cross multiply
    274,481,545.74x = 378,791,114.10 × 149,039,028.82
  4. Step 4: Simplify right side
    274,481,545.74x = 56,454,659,771,024,400
  5. Step 5: Solve for x
    x = 56,454,659,771,024,400/274,481,545.74
  6. Step 6: Final answer
    x = 205,677,433.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.