Home / 104,301,660.20-156,452,490.30-75,990,108.20

Finding the Fourth Proportional to 104,301,660.20, 156,452,490.30 and 75,990,108.20

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Solution

The fourth proportional to 104,301,660.20, 156,452,490.30 and 75,990,108.20 is: 113,985,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,301,660.20 : 156,452,490.30 = 75,990,108.20 : x
  2. Step 2: Convert to fraction form
    104,301,660.20/156,452,490.30 = 75,990,108.20/x
  3. Step 3: Cross multiply
    104,301,660.20x = 156,452,490.30 × 75,990,108.20
  4. Step 4: Simplify right side
    104,301,660.20x = 11,888,841,666,056,452
  5. Step 5: Solve for x
    x = 11,888,841,666,056,452/104,301,660.20
  6. Step 6: Final answer
    x = 113,985,162.30

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Double scale
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Similar ratio
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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.