Home / 82,440,145.60-123,660,218.40-21,861,995.20

Finding the Fourth Proportional to 82,440,145.60, 123,660,218.40 and 21,861,995.20

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Solution

The fourth proportional to 82,440,145.60, 123,660,218.40 and 21,861,995.20 is: 32,792,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,440,145.60 : 123,660,218.40 = 21,861,995.20 : x
  2. Step 2: Convert to fraction form
    82,440,145.60/123,660,218.40 = 21,861,995.20/x
  3. Step 3: Cross multiply
    82,440,145.60x = 123,660,218.40 × 21,861,995.20
  4. Step 4: Simplify right side
    82,440,145.60x = 2,703,459,101,091,751.50
  5. Step 5: Solve for x
    x = 2,703,459,101,091,751.50/82,440,145.60
  6. Step 6: Final answer
    x = 32,792,992.80

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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.