Home / 310,286,712.13-428,198,962.49-171,062,456.16

Finding the Fourth Proportional to 310,286,712.13, 428,198,962.49 and 171,062,456.16

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Solution

The fourth proportional to 310,286,712.13, 428,198,962.49 and 171,062,456.16 is: 236,068,008.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,286,712.13 : 428,198,962.49 = 171,062,456.16 : x
  2. Step 2: Convert to fraction form
    310,286,712.13/428,198,962.49 = 171,062,456.16/x
  3. Step 3: Cross multiply
    310,286,712.13x = 428,198,962.49 × 171,062,456.16
  4. Step 4: Simplify right side
    310,286,712.13x = 73,248,766,245,706,800
  5. Step 5: Solve for x
    x = 73,248,766,245,706,800/310,286,712.13
  6. Step 6: Final answer
    x = 236,068,008.66

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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.