Home / 87,480,586.80-131,220,880.20-55,027,256.40

Finding the Fourth Proportional to 87,480,586.80, 131,220,880.20 and 55,027,256.40

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Solution

The fourth proportional to 87,480,586.80, 131,220,880.20 and 55,027,256.40 is: 82,540,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480,586.80 : 131,220,880.20 = 55,027,256.40 : x
  2. Step 2: Convert to fraction form
    87,480,586.80/131,220,880.20 = 55,027,256.40/x
  3. Step 3: Cross multiply
    87,480,586.80x = 131,220,880.20 × 55,027,256.40
  4. Step 4: Simplify right side
    87,480,586.80x = 7,220,725,019,799,083
  5. Step 5: Solve for x
    x = 7,220,725,019,799,083/87,480,586.80
  6. Step 6: Final answer
    x = 82,540,884.60

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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.