Home / 154,217,949.20-231,320,362.80-51,981,822.80

Finding the Fourth Proportional to 154,217,949.20, 231,320,362.80 and 51,981,822.80

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Solution

The fourth proportional to 154,217,949.20, 231,320,362.80 and 51,981,822.80 is: 77,970,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,217,949.20 : 231,320,362.80 = 51,981,822.80 : x
  2. Step 2: Convert to fraction form
    154,217,949.20/231,320,362.80 = 51,981,822.80/x
  3. Step 3: Cross multiply
    154,217,949.20x = 231,320,362.80 × 51,981,822.80
  4. Step 4: Simplify right side
    154,217,949.20x = 12,024,454,109,101,312
  5. Step 5: Solve for x
    x = 12,024,454,109,101,312/154,217,949.20
  6. Step 6: Final answer
    x = 77,970,522.70

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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.