Home / 101,850,687.12-140,557,343.28-57,204,526.96

Finding the Fourth Proportional to 101,850,687.12, 140,557,343.28 and 57,204,526.96

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Solution

The fourth proportional to 101,850,687.12, 140,557,343.28 and 57,204,526.96 is: 78,944,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,850,687.12 : 140,557,343.28 = 57,204,526.96 : x
  2. Step 2: Convert to fraction form
    101,850,687.12/140,557,343.28 = 57,204,526.96/x
  3. Step 3: Cross multiply
    101,850,687.12x = 140,557,343.28 × 57,204,526.96
  4. Step 4: Simplify right side
    101,850,687.12x = 8,040,516,333,047,915
  5. Step 5: Solve for x
    x = 8,040,516,333,047,915/101,850,687.12
  6. Step 6: Final answer
    x = 78,944,154.04

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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.