Home / 330,278,326.70-495,417,490.05-136,089,785.30

Finding the Fourth Proportional to 330,278,326.70, 495,417,490.05 and 136,089,785.30

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Solution

The fourth proportional to 330,278,326.70, 495,417,490.05 and 136,089,785.30 is: 204,134,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,278,326.70 : 495,417,490.05 = 136,089,785.30 : x
  2. Step 2: Convert to fraction form
    330,278,326.70/495,417,490.05 = 136,089,785.30/x
  3. Step 3: Cross multiply
    330,278,326.70x = 495,417,490.05 × 136,089,785.30
  4. Step 4: Simplify right side
    330,278,326.70x = 67,421,259,854,769,392
  5. Step 5: Solve for x
    x = 67,421,259,854,769,392/330,278,326.70
  6. Step 6: Final answer
    x = 204,134,677.95

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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.