Home / 330,278,314.20-495,417,471.30-136,089,772.80

Finding the Fourth Proportional to 330,278,314.20, 495,417,471.30 and 136,089,772.80

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Solution

The fourth proportional to 330,278,314.20, 495,417,471.30 and 136,089,772.80 is: 204,134,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,278,314.20 : 495,417,471.30 = 136,089,772.80 : x
  2. Step 2: Convert to fraction form
    330,278,314.20/495,417,471.30 = 136,089,772.80/x
  3. Step 3: Cross multiply
    330,278,314.20x = 495,417,471.30 × 136,089,772.80
  4. Step 4: Simplify right side
    330,278,314.20x = 67,421,251,110,367,528
  5. Step 5: Solve for x
    x = 67,421,251,110,367,528/330,278,314.20
  6. Step 6: Final answer
    x = 204,134,659.20

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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.