Home / 192,479,391.72-288,736,053.84-54,306,209.16

Finding the Fourth Proportional to 192,479,391.72, 288,736,053.84 and 54,306,209.16

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Solution

The fourth proportional to 192,479,391.72, 288,736,053.84 and 54,306,209.16 is: 81,464,100.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,479,391.72 : 288,736,053.84 = 54,306,209.16 : x
  2. Step 2: Convert to fraction form
    192,479,391.72/288,736,053.84 = 54,306,209.16/x
  3. Step 3: Cross multiply
    192,479,391.72x = 288,736,053.84 × 54,306,209.16
  4. Step 4: Simplify right side
    192,479,391.72x = 15,680,160,531,868,058
  5. Step 5: Solve for x
    x = 15,680,160,531,868,058/192,479,391.72
  6. Step 6: Final answer
    x = 81,464,100.61

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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.