Home / 152,439,776.20-228,659,664.30-109,711,919.80

Finding the Fourth Proportional to 152,439,776.20, 228,659,664.30 and 109,711,919.80

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Solution

The fourth proportional to 152,439,776.20, 228,659,664.30 and 109,711,919.80 is: 164,567,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,439,776.20 : 228,659,664.30 = 109,711,919.80 : x
  2. Step 2: Convert to fraction form
    152,439,776.20/228,659,664.30 = 109,711,919.80/x
  3. Step 3: Cross multiply
    152,439,776.20x = 228,659,664.30 × 109,711,919.80
  4. Step 4: Simplify right side
    152,439,776.20x = 25,086,690,751,176,524
  5. Step 5: Solve for x
    x = 25,086,690,751,176,524/152,439,776.20
  6. Step 6: Final answer
    x = 164,567,879.70

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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.