Home / 104,271,505.40-156,407,258.10-80,132,274.20

Finding the Fourth Proportional to 104,271,505.40, 156,407,258.10 and 80,132,274.20

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Solution

The fourth proportional to 104,271,505.40, 156,407,258.10 and 80,132,274.20 is: 120,198,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,271,505.40 : 156,407,258.10 = 80,132,274.20 : x
  2. Step 2: Convert to fraction form
    104,271,505.40/156,407,258.10 = 80,132,274.20/x
  3. Step 3: Cross multiply
    104,271,505.40x = 156,407,258.10 × 80,132,274.20
  4. Step 4: Simplify right side
    104,271,505.40x = 12,533,269,292,939,372
  5. Step 5: Solve for x
    x = 12,533,269,292,939,372/104,271,505.40
  6. Step 6: Final answer
    x = 120,198,411.30

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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.