Home / 82,721,344.60-124,082,016.90-22,137,070.60

Finding the Fourth Proportional to 82,721,344.60, 124,082,016.90 and 22,137,070.60

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Solution

The fourth proportional to 82,721,344.60, 124,082,016.90 and 22,137,070.60 is: 33,205,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,721,344.60 : 124,082,016.90 = 22,137,070.60 : x
  2. Step 2: Convert to fraction form
    82,721,344.60/124,082,016.90 = 22,137,070.60/x
  3. Step 3: Cross multiply
    82,721,344.60x = 124,082,016.90 × 22,137,070.60
  4. Step 4: Simplify right side
    82,721,344.60x = 2,746,812,368,305,693.50
  5. Step 5: Solve for x
    x = 2,746,812,368,305,693.50/82,721,344.60
  6. Step 6: Final answer
    x = 33,205,605.90

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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.