Home / 45,341,721.20-68,145,292.20-39,502,463.60

Finding the Fourth Proportional to 45,341,721.20, 68,145,292.20 and 39,502,463.60

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Solution

The fourth proportional to 45,341,721.20, 68,145,292.20 and 39,502,463.60 is: 59,369,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,341,721.20 : 68,145,292.20 = 39,502,463.60 : x
  2. Step 2: Convert to fraction form
    45,341,721.20/68,145,292.20 = 39,502,463.60/x
  3. Step 3: Cross multiply
    45,341,721.20x = 68,145,292.20 × 39,502,463.60
  4. Step 4: Simplify right side
    45,341,721.20x = 2,691,906,924,641,864
  5. Step 5: Solve for x
    x = 2,691,906,924,641,864/45,341,721.20
  6. Step 6: Final answer
    x = 59,369,314.91

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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.