Home / 82,346,257.72-123,519,675.18-20,935,423

Finding the Fourth Proportional to 82,346,257.72, 123,519,675.18 and 20,935,423

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Solution

The fourth proportional to 82,346,257.72, 123,519,675.18 and 20,935,423 is: 31,403,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,346,257.72 : 123,519,675.18 = 20,935,423 : x
  2. Step 2: Convert to fraction form
    82,346,257.72/123,519,675.18 = 20,935,423/x
  3. Step 3: Cross multiply
    82,346,257.72x = 123,519,675.18 × 20,935,423
  4. Step 4: Simplify right side
    82,346,257.72x = 2,585,936,648,715,901.50
  5. Step 5: Solve for x
    x = 2,585,936,648,715,901.50/82,346,257.72
  6. Step 6: Final answer
    x = 31,403,207.87

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1.5x scale

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.