Home / 310,165,097.61-428,027,837.11-170,935,860.95

Finding the Fourth Proportional to 310,165,097.61, 428,027,837.11 and 170,935,860.95

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Solution

The fourth proportional to 310,165,097.61, 428,027,837.11 and 170,935,860.95 is: 235,891,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,165,097.61 : 428,027,837.11 = 170,935,860.95 : x
  2. Step 2: Convert to fraction form
    310,165,097.61/428,027,837.11 = 170,935,860.95/x
  3. Step 3: Cross multiply
    310,165,097.61x = 428,027,837.11 × 170,935,860.95
  4. Step 4: Simplify right side
    310,165,097.61x = 73,165,306,844,396,736
  5. Step 5: Solve for x
    x = 73,165,306,844,396,736/310,165,097.61
  6. Step 6: Final answer
    x = 235,891,489.43

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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.