Home / 330,364,870.78-495,441,224.52-108,986,451.88

Finding the Fourth Proportional to 330,364,870.78, 495,441,224.52 and 108,986,451.88

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Solution

The fourth proportional to 330,364,870.78, 495,441,224.52 and 108,986,451.88 is: 163,444,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,364,870.78 : 495,441,224.52 = 108,986,451.88 : x
  2. Step 2: Convert to fraction form
    330,364,870.78/495,441,224.52 = 108,986,451.88/x
  3. Step 3: Cross multiply
    330,364,870.78x = 495,441,224.52 × 108,986,451.88
  4. Step 4: Simplify right side
    330,364,870.78x = 53,996,381,175,517,248
  5. Step 5: Solve for x
    x = 53,996,381,175,517,248/330,364,870.78
  6. Step 6: Final answer
    x = 163,444,681.78

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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.