Home / 120,682,294.73-181,023,442.10-108,589,059.53

Finding the Fourth Proportional to 120,682,294.73, 181,023,442.10 and 108,589,059.53

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Solution

The fourth proportional to 120,682,294.73, 181,023,442.10 and 108,589,059.53 is: 162,883,589.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,682,294.73 : 181,023,442.10 = 108,589,059.53 : x
  2. Step 2: Convert to fraction form
    120,682,294.73/181,023,442.10 = 108,589,059.53/x
  3. Step 3: Cross multiply
    120,682,294.73x = 181,023,442.10 × 108,589,059.53
  4. Step 4: Simplify right side
    120,682,294.73x = 19,657,165,329,074,348
  5. Step 5: Solve for x
    x = 19,657,165,329,074,348/120,682,294.73
  6. Step 6: Final answer
    x = 162,883,589.29

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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.