Home / 82,721,348.10-124,082,022.15-22,137,074.10

Finding the Fourth Proportional to 82,721,348.10, 124,082,022.15 and 22,137,074.10

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Solution

The fourth proportional to 82,721,348.10, 124,082,022.15 and 22,137,074.10 is: 33,205,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,721,348.10 : 124,082,022.15 = 22,137,074.10 : x
  2. Step 2: Convert to fraction form
    82,721,348.10/124,082,022.15 = 22,137,074.10/x
  3. Step 3: Cross multiply
    82,721,348.10x = 124,082,022.15 × 22,137,074.10
  4. Step 4: Simplify right side
    82,721,348.10x = 2,746,812,918,812,391.50
  5. Step 5: Solve for x
    x = 2,746,812,918,812,391.50/82,721,348.10
  6. Step 6: Final answer
    x = 33,205,611.15

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Double scale
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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.