Home / 82,024,713.40-123,037,070.10-21,440,439.40

Finding the Fourth Proportional to 82,024,713.40, 123,037,070.10 and 21,440,439.40

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Solution

The fourth proportional to 82,024,713.40, 123,037,070.10 and 21,440,439.40 is: 32,160,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,024,713.40 : 123,037,070.10 = 21,440,439.40 : x
  2. Step 2: Convert to fraction form
    82,024,713.40/123,037,070.10 = 21,440,439.40/x
  3. Step 3: Cross multiply
    82,024,713.40x = 123,037,070.10 × 21,440,439.40
  4. Step 4: Simplify right side
    82,024,713.40x = 2,637,968,845,432,601.50
  5. Step 5: Solve for x
    x = 2,637,968,845,432,601.50/82,024,713.40
  6. Step 6: Final answer
    x = 32,160,659.10

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Similar ratio
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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.