Home / 381,357,952.30-572,042,243.04-108,728,719.30

Finding the Fourth Proportional to 381,357,952.30, 572,042,243.04 and 108,728,719.30

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Solution

The fourth proportional to 381,357,952.30, 572,042,243.04 and 108,728,719.30 is: 163,094,594.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,357,952.30 : 572,042,243.04 = 108,728,719.30 : x
  2. Step 2: Convert to fraction form
    381,357,952.30/572,042,243.04 = 108,728,719.30/x
  3. Step 3: Cross multiply
    381,357,952.30x = 572,042,243.04 × 108,728,719.30
  4. Step 4: Simplify right side
    381,357,952.30x = 62,197,420,471,238,536
  5. Step 5: Solve for x
    x = 62,197,420,471,238,536/381,357,952.30
  6. Step 6: Final answer
    x = 163,094,594.19

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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.