Home / 80,879,998.40-121,319,997.60-23,374,145.60

Finding the Fourth Proportional to 80,879,998.40, 121,319,997.60 and 23,374,145.60

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Solution

The fourth proportional to 80,879,998.40, 121,319,997.60 and 23,374,145.60 is: 35,061,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,879,998.40 : 121,319,997.60 = 23,374,145.60 : x
  2. Step 2: Convert to fraction form
    80,879,998.40/121,319,997.60 = 23,374,145.60/x
  3. Step 3: Cross multiply
    80,879,998.40x = 121,319,997.60 × 23,374,145.60
  4. Step 4: Simplify right side
    80,879,998.40x = 2,835,751,288,094,050.50
  5. Step 5: Solve for x
    x = 2,835,751,288,094,050.50/80,879,998.40
  6. Step 6: Final answer
    x = 35,061,218.40

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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.