Home / 261,382,163.60-392,073,245.40-108,327,155.60

Finding the Fourth Proportional to 261,382,163.60, 392,073,245.40 and 108,327,155.60

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Solution

The fourth proportional to 261,382,163.60, 392,073,245.40 and 108,327,155.60 is: 162,490,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,382,163.60 : 392,073,245.40 = 108,327,155.60 : x
  2. Step 2: Convert to fraction form
    261,382,163.60/392,073,245.40 = 108,327,155.60/x
  3. Step 3: Cross multiply
    261,382,163.60x = 392,073,245.40 × 108,327,155.60
  4. Step 4: Simplify right side
    261,382,163.60x = 42,472,179,461,042,776
  5. Step 5: Solve for x
    x = 42,472,179,461,042,776/261,382,163.60
  6. Step 6: Final answer
    x = 162,490,733.40

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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.