Home / 86,207,958.70-129,330,600.45-25,629,808.30

Finding the Fourth Proportional to 86,207,958.70, 129,330,600.45 and 25,629,808.30

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Solution

The fourth proportional to 86,207,958.70, 129,330,600.45 and 25,629,808.30 is: 38,450,260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,207,958.70 : 129,330,600.45 = 25,629,808.30 : x
  2. Step 2: Convert to fraction form
    86,207,958.70/129,330,600.45 = 25,629,808.30/x
  3. Step 3: Cross multiply
    86,207,958.70x = 129,330,600.45 × 25,629,808.30
  4. Step 4: Simplify right side
    86,207,958.70x = 3,314,718,496,857,394
  5. Step 5: Solve for x
    x = 3,314,718,496,857,394/86,207,958.70
  6. Step 6: Final answer
    x = 38,450,260.82

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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.