Home / 342,583,799.38-513,895,510.55-96,919,855.36

Finding the Fourth Proportional to 342,583,799.38, 513,895,510.55 and 96,919,855.36

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Solution

The fourth proportional to 342,583,799.38, 513,895,510.55 and 96,919,855.36 is: 145,385,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,583,799.38 : 513,895,510.55 = 96,919,855.36 : x
  2. Step 2: Convert to fraction form
    342,583,799.38/513,895,510.55 = 96,919,855.36/x
  3. Step 3: Cross multiply
    342,583,799.38x = 513,895,510.55 × 96,919,855.36
  4. Step 4: Simplify right side
    342,583,799.38x = 49,806,678,552,659,352
  5. Step 5: Solve for x
    x = 49,806,678,552,659,352/342,583,799.38
  6. Step 6: Final answer
    x = 145,385,387.88

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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.