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Finding the Fourth Proportional to 53,443,872.80, 80,165,809.20 and 39,838,983.20

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Solution

The fourth proportional to 53,443,872.80, 80,165,809.20 and 39,838,983.20 is: 59,758,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,443,872.80 : 80,165,809.20 = 39,838,983.20 : x
  2. Step 2: Convert to fraction form
    53,443,872.80/80,165,809.20 = 39,838,983.20/x
  3. Step 3: Cross multiply
    53,443,872.80x = 80,165,809.20 × 39,838,983.20
  4. Step 4: Simplify right side
    53,443,872.80x = 3,193,724,325,933,206
  5. Step 5: Solve for x
    x = 3,193,724,325,933,206/53,443,872.80
  6. Step 6: Final answer
    x = 59,758,474.80

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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.