Home / 310,165,096.49-428,027,835.56-170,935,859.82

Finding the Fourth Proportional to 310,165,096.49, 428,027,835.56 and 170,935,859.82

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Solution

The fourth proportional to 310,165,096.49, 428,027,835.56 and 170,935,859.82 is: 235,891,487.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,165,096.49 : 428,027,835.56 = 170,935,859.82 : x
  2. Step 2: Convert to fraction form
    310,165,096.49/428,027,835.56 = 170,935,859.82/x
  3. Step 3: Cross multiply
    310,165,096.49x = 428,027,835.56 × 170,935,859.82
  4. Step 4: Simplify right side
    310,165,096.49x = 73,165,306,097,487,488
  5. Step 5: Solve for x
    x = 73,165,306,097,487,488/310,165,096.49
  6. Step 6: Final answer
    x = 235,891,487.88

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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.