Home / 81,182,775.30-112,048,505.61-48,161,353.44

Finding the Fourth Proportional to 81,182,775.30, 112,048,505.61 and 48,161,353.44

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Solution

The fourth proportional to 81,182,775.30, 112,048,505.61 and 48,161,353.44 is: 66,472,323.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,182,775.30 : 112,048,505.61 = 48,161,353.44 : x
  2. Step 2: Convert to fraction form
    81,182,775.30/112,048,505.61 = 48,161,353.44/x
  3. Step 3: Cross multiply
    81,182,775.30x = 112,048,505.61 × 48,161,353.44
  4. Step 4: Simplify right side
    81,182,775.30x = 5,396,407,681,107,033
  5. Step 5: Solve for x
    x = 5,396,407,681,107,033/81,182,775.30
  6. Step 6: Final answer
    x = 66,472,323.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.