Home / 192,479,389.11-288,736,049.91-54,306,206.55

Finding the Fourth Proportional to 192,479,389.11, 288,736,049.91 and 54,306,206.55

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Solution

The fourth proportional to 192,479,389.11, 288,736,049.91 and 54,306,206.55 is: 81,464,096.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,479,389.11 : 288,736,049.91 = 54,306,206.55 : x
  2. Step 2: Convert to fraction form
    192,479,389.11/288,736,049.91 = 54,306,206.55/x
  3. Step 3: Cross multiply
    192,479,389.11x = 288,736,049.91 × 54,306,206.55
  4. Step 4: Simplify right side
    192,479,389.11x = 15,680,159,564,843,570
  5. Step 5: Solve for x
    x = 15,680,159,564,843,570/192,479,389.11
  6. Step 6: Final answer
    x = 81,464,096.69

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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.