Home / 111,981,808.60-167,972,712.90-31,202,776.60

Finding the Fourth Proportional to 111,981,808.60, 167,972,712.90 and 31,202,776.60

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Solution

The fourth proportional to 111,981,808.60, 167,972,712.90 and 31,202,776.60 is: 46,804,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,981,808.60 : 167,972,712.90 = 31,202,776.60 : x
  2. Step 2: Convert to fraction form
    111,981,808.60/167,972,712.90 = 31,202,776.60/x
  3. Step 3: Cross multiply
    111,981,808.60x = 167,972,712.90 × 31,202,776.60
  4. Step 4: Simplify right side
    111,981,808.60x = 5,241,215,035,514,639
  5. Step 5: Solve for x
    x = 5,241,215,035,514,639/111,981,808.60
  6. Step 6: Final answer
    x = 46,804,164.90

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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.