Home / 261,990,741.30-392,930,999.55-132,476,601.30

Finding the Fourth Proportional to 261,990,741.30, 392,930,999.55 and 132,476,601.30

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Solution

The fourth proportional to 261,990,741.30, 392,930,999.55 and 132,476,601.30 is: 198,687,034.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,990,741.30 : 392,930,999.55 = 132,476,601.30 : x
  2. Step 2: Convert to fraction form
    261,990,741.30/392,930,999.55 = 132,476,601.30/x
  3. Step 3: Cross multiply
    261,990,741.30x = 392,930,999.55 × 132,476,601.30
  4. Step 4: Simplify right side
    261,990,741.30x = 52,054,163,365,795,832
  5. Step 5: Solve for x
    x = 52,054,163,365,795,832/261,990,741.30
  6. Step 6: Final answer
    x = 198,687,034.16

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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.