Home / 105,981,062.32-158,809,337.82-71,309,039.53

Finding the Fourth Proportional to 105,981,062.32, 158,809,337.82 and 71,309,039.53

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Solution

The fourth proportional to 105,981,062.32, 158,809,337.82 and 71,309,039.53 is: 106,854,386.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,981,062.32 : 158,809,337.82 = 71,309,039.53 : x
  2. Step 2: Convert to fraction form
    105,981,062.32/158,809,337.82 = 71,309,039.53/x
  3. Step 3: Cross multiply
    105,981,062.32x = 158,809,337.82 × 71,309,039.53
  4. Step 4: Simplify right side
    105,981,062.32x = 11,324,541,348,339,504
  5. Step 5: Solve for x
    x = 11,324,541,348,339,504/105,981,062.32
  6. Step 6: Final answer
    x = 106,854,386.06

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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.