Home / 321,672,246.96-482,428,654.28-91,643,324.48

Finding the Fourth Proportional to 321,672,246.96, 482,428,654.28 and 91,643,324.48

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Solution

The fourth proportional to 321,672,246.96, 482,428,654.28 and 91,643,324.48 is: 137,442,275.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,672,246.96 : 482,428,654.28 = 91,643,324.48 : x
  2. Step 2: Convert to fraction form
    321,672,246.96/482,428,654.28 = 91,643,324.48/x
  3. Step 3: Cross multiply
    321,672,246.96x = 482,428,654.28 × 91,643,324.48
  4. Step 4: Simplify right side
    321,672,246.96x = 44,211,365,702,631,784
  5. Step 5: Solve for x
    x = 44,211,365,702,631,784/321,672,246.96
  6. Step 6: Final answer
    x = 137,442,275.86

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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.