Home / 310,992,988.68-429,167,498.96-169,864,179.73

Finding the Fourth Proportional to 310,992,988.68, 429,167,498.96 and 169,864,179.73

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Solution

The fourth proportional to 310,992,988.68, 429,167,498.96 and 169,864,179.73 is: 234,411,024.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,992,988.68 : 429,167,498.96 = 169,864,179.73 : x
  2. Step 2: Convert to fraction form
    310,992,988.68/429,167,498.96 = 169,864,179.73/x
  3. Step 3: Cross multiply
    310,992,988.68x = 429,167,498.96 × 169,864,179.73
  4. Step 4: Simplify right side
    310,992,988.68x = 72,900,185,177,940,160
  5. Step 5: Solve for x
    x = 72,900,185,177,940,160/310,992,988.68
  6. Step 6: Final answer
    x = 234,411,024.78

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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.