Home / 104,271,503.40-156,407,255.10-80,132,272.20

Finding the Fourth Proportional to 104,271,503.40, 156,407,255.10 and 80,132,272.20

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Solution

The fourth proportional to 104,271,503.40, 156,407,255.10 and 80,132,272.20 is: 120,198,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,271,503.40 : 156,407,255.10 = 80,132,272.20 : x
  2. Step 2: Convert to fraction form
    104,271,503.40/156,407,255.10 = 80,132,272.20/x
  3. Step 3: Cross multiply
    104,271,503.40x = 156,407,255.10 × 80,132,272.20
  4. Step 4: Simplify right side
    104,271,503.40x = 12,533,268,739,728,038
  5. Step 5: Solve for x
    x = 12,533,268,739,728,038/104,271,503.40
  6. Step 6: Final answer
    x = 120,198,408.30

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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.