Home / 86,325,037.60-129,466,820.40-49,854,560.80

Finding the Fourth Proportional to 86,325,037.60, 129,466,820.40 and 49,854,560.80

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Solution

The fourth proportional to 86,325,037.60, 129,466,820.40 and 49,854,560.80 is: 74,769,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,325,037.60 : 129,466,820.40 = 49,854,560.80 : x
  2. Step 2: Convert to fraction form
    86,325,037.60/129,466,820.40 = 49,854,560.80/x
  3. Step 3: Cross multiply
    86,325,037.60x = 129,466,820.40 × 49,854,560.80
  4. Step 4: Simplify right side
    86,325,037.60x = 6,454,511,469,214,480
  5. Step 5: Solve for x
    x = 6,454,511,469,214,480/86,325,037.60
  6. Step 6: Final answer
    x = 74,769,865.72

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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.