Home / 310,236,035.48-428,125,624.52-171,009,122.30

Finding the Fourth Proportional to 310,236,035.48, 428,125,624.52 and 171,009,122.30

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Solution

The fourth proportional to 310,236,035.48, 428,125,624.52 and 171,009,122.30 is: 235,992,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,236,035.48 : 428,125,624.52 = 171,009,122.30 : x
  2. Step 2: Convert to fraction form
    310,236,035.48/428,125,624.52 = 171,009,122.30/x
  3. Step 3: Cross multiply
    310,236,035.48x = 428,125,624.52 × 171,009,122.30
  4. Step 4: Simplify right side
    310,236,035.48x = 73,213,387,283,304,560
  5. Step 5: Solve for x
    x = 73,213,387,283,304,560/310,236,035.48
  6. Step 6: Final answer
    x = 235,992,531.20

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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.