Home / 86,207,960.70-129,330,603.45-25,629,810.30

Finding the Fourth Proportional to 86,207,960.70, 129,330,603.45 and 25,629,810.30

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Solution

The fourth proportional to 86,207,960.70, 129,330,603.45 and 25,629,810.30 is: 38,450,263.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,207,960.70 : 129,330,603.45 = 25,629,810.30 : x
  2. Step 2: Convert to fraction form
    86,207,960.70/129,330,603.45 = 25,629,810.30/x
  3. Step 3: Cross multiply
    86,207,960.70x = 129,330,603.45 × 25,629,810.30
  4. Step 4: Simplify right side
    86,207,960.70x = 3,314,718,832,408,025.50
  5. Step 5: Solve for x
    x = 3,314,718,832,408,025.50/86,207,960.70
  6. Step 6: Final answer
    x = 38,450,263.82

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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.