Home / 87,990,977.60-132,033,705.60-36,878,163.20

Finding the Fourth Proportional to 87,990,977.60, 132,033,705.60 and 36,878,163.20

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Solution

The fourth proportional to 87,990,977.60, 132,033,705.60 and 36,878,163.20 is: 55,337,043.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,990,977.60 : 132,033,705.60 = 36,878,163.20 : x
  2. Step 2: Convert to fraction form
    87,990,977.60/132,033,705.60 = 36,878,163.20/x
  3. Step 3: Cross multiply
    87,990,977.60x = 132,033,705.60 × 36,878,163.20
  4. Step 4: Simplify right side
    87,990,977.60x = 4,869,160,543,017,554
  5. Step 5: Solve for x
    x = 4,869,160,543,017,554/87,990,977.60
  6. Step 6: Final answer
    x = 55,337,043.36

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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.