Home / 84,308,251.38-116,281,195.29-72,567,502.26

Finding the Fourth Proportional to 84,308,251.38, 116,281,195.29 and 72,567,502.26

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Solution

The fourth proportional to 84,308,251.38, 116,281,195.29 and 72,567,502.26 is: 100,087,900.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,308,251.38 : 116,281,195.29 = 72,567,502.26 : x
  2. Step 2: Convert to fraction form
    84,308,251.38/116,281,195.29 = 72,567,502.26/x
  3. Step 3: Cross multiply
    84,308,251.38x = 116,281,195.29 × 72,567,502.26
  4. Step 4: Simplify right side
    84,308,251.38x = 8,438,235,902,002,577
  5. Step 5: Solve for x
    x = 8,438,235,902,002,577/84,308,251.38
  6. Step 6: Final answer
    x = 100,087,900.81

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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.