Home / 65,396,963.60-90,241,034.28-40,275,098

Finding the Fourth Proportional to 65,396,963.60, 90,241,034.28 and 40,275,098

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Solution

The fourth proportional to 65,396,963.60, 90,241,034.28 and 40,275,098 is: 55,575,462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,396,963.60 : 90,241,034.28 = 40,275,098 : x
  2. Step 2: Convert to fraction form
    65,396,963.60/90,241,034.28 = 40,275,098/x
  3. Step 3: Cross multiply
    65,396,963.60x = 90,241,034.28 × 40,275,098
  4. Step 4: Simplify right side
    65,396,963.60x = 3,634,466,499,248,359.50
  5. Step 5: Solve for x
    x = 3,634,466,499,248,359.50/65,396,963.60
  6. Step 6: Final answer
    x = 55,575,462.52

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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.