Home / 128,304,027.60-192,463,414.20-37,441,640.40

Finding the Fourth Proportional to 128,304,027.60, 192,463,414.20 and 37,441,640.40

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Solution

The fourth proportional to 128,304,027.60, 192,463,414.20 and 37,441,640.40 is: 56,164,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,027.60 : 192,463,414.20 = 37,441,640.40 : x
  2. Step 2: Convert to fraction form
    128,304,027.60/192,463,414.20 = 37,441,640.40/x
  3. Step 3: Cross multiply
    128,304,027.60x = 192,463,414.20 × 37,441,640.40
  4. Step 4: Simplify right side
    128,304,027.60x = 7,206,145,944,632,653
  5. Step 5: Solve for x
    x = 7,206,145,944,632,653/128,304,027.60
  6. Step 6: Final answer
    x = 56,164,612.13

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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.