Home / 82,264,984.45-123,397,476.68-20,854,024.45

Finding the Fourth Proportional to 82,264,984.45, 123,397,476.68 and 20,854,024.45

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Solution

The fourth proportional to 82,264,984.45, 123,397,476.68 and 20,854,024.45 is: 31,281,036.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,264,984.45 : 123,397,476.68 = 20,854,024.45 : x
  2. Step 2: Convert to fraction form
    82,264,984.45/123,397,476.68 = 20,854,024.45/x
  3. Step 3: Cross multiply
    82,264,984.45x = 123,397,476.68 × 20,854,024.45
  4. Step 4: Simplify right side
    82,264,984.45x = 2,573,333,995,648,754.50
  5. Step 5: Solve for x
    x = 2,573,333,995,648,754.50/82,264,984.45
  6. Step 6: Final answer
    x = 31,281,036.68

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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.