Home / 154,224,015.60-231,336,023.40-67,917,997.20

Finding the Fourth Proportional to 154,224,015.60, 231,336,023.40 and 67,917,997.20

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Solution

The fourth proportional to 154,224,015.60, 231,336,023.40 and 67,917,997.20 is: 101,876,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,224,015.60 : 231,336,023.40 = 67,917,997.20 : x
  2. Step 2: Convert to fraction form
    154,224,015.60/231,336,023.40 = 67,917,997.20/x
  3. Step 3: Cross multiply
    154,224,015.60x = 231,336,023.40 × 67,917,997.20
  4. Step 4: Simplify right side
    154,224,015.60x = 15,711,879,389,540,336
  5. Step 5: Solve for x
    x = 15,711,879,389,540,336/154,224,015.60
  6. Step 6: Final answer
    x = 101,876,995.80

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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.