Home / 88,591,997.20-132,887,995.80-54,402,480.40

Finding the Fourth Proportional to 88,591,997.20, 132,887,995.80 and 54,402,480.40

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Solution

The fourth proportional to 88,591,997.20, 132,887,995.80 and 54,402,480.40 is: 81,603,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,591,997.20 : 132,887,995.80 = 54,402,480.40 : x
  2. Step 2: Convert to fraction form
    88,591,997.20/132,887,995.80 = 54,402,480.40/x
  3. Step 3: Cross multiply
    88,591,997.20x = 132,887,995.80 × 54,402,480.40
  4. Step 4: Simplify right side
    88,591,997.20x = 7,229,436,586,904,782
  5. Step 5: Solve for x
    x = 7,229,436,586,904,782/88,591,997.20
  6. Step 6: Final answer
    x = 81,603,720.60

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1.5x scale

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.