Home / 311,103,228.12-466,654,997.70-81,071,729.88

Finding the Fourth Proportional to 311,103,228.12, 466,654,997.70 and 81,071,729.88

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Solution

The fourth proportional to 311,103,228.12, 466,654,997.70 and 81,071,729.88 is: 121,607,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,103,228.12 : 466,654,997.70 = 81,071,729.88 : x
  2. Step 2: Convert to fraction form
    311,103,228.12/466,654,997.70 = 81,071,729.88/x
  3. Step 3: Cross multiply
    311,103,228.12x = 466,654,997.70 × 81,071,729.88
  4. Step 4: Simplify right side
    311,103,228.12x = 37,832,527,920,686,416
  5. Step 5: Solve for x
    x = 37,832,527,920,686,416/311,103,228.12
  6. Step 6: Final answer
    x = 121,607,635.35

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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.