Home / 296,006,129.28-408,439,730.88-185,919,431.04

Finding the Fourth Proportional to 296,006,129.28, 408,439,730.88 and 185,919,431.04

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Solution

The fourth proportional to 296,006,129.28, 408,439,730.88 and 185,919,431.04 is: 256,538,209.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,006,129.28 : 408,439,730.88 = 185,919,431.04 : x
  2. Step 2: Convert to fraction form
    296,006,129.28/408,439,730.88 = 185,919,431.04/x
  3. Step 3: Cross multiply
    296,006,129.28x = 408,439,730.88 × 185,919,431.04
  4. Step 4: Simplify right side
    296,006,129.28x = 75,936,882,379,340,320
  5. Step 5: Solve for x
    x = 75,936,882,379,340,320/296,006,129.28
  6. Step 6: Final answer
    x = 256,538,209.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.