Home / 86,220,175.20-129,380,029.20-32,372,930.40

Finding the Fourth Proportional to 86,220,175.20, 129,380,029.20 and 32,372,930.40

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Solution

The fourth proportional to 86,220,175.20, 129,380,029.20 and 32,372,930.40 is: 48,578,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,220,175.20 : 129,380,029.20 = 32,372,930.40 : x
  2. Step 2: Convert to fraction form
    86,220,175.20/129,380,029.20 = 32,372,930.40/x
  3. Step 3: Cross multiply
    86,220,175.20x = 129,380,029.20 × 32,372,930.40
  4. Step 4: Simplify right side
    86,220,175.20x = 4,188,410,680,441,567.50
  5. Step 5: Solve for x
    x = 4,188,410,680,441,567.50/86,220,175.20
  6. Step 6: Final answer
    x = 48,578,081.30

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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.