Home / 310,270,714.82-428,176,474.56-171,046,458.80

Finding the Fourth Proportional to 310,270,714.82, 428,176,474.56 and 171,046,458.80

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Solution

The fourth proportional to 310,270,714.82, 428,176,474.56 and 171,046,458.80 is: 236,045,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,270,714.82 : 428,176,474.56 = 171,046,458.80 : x
  2. Step 2: Convert to fraction form
    310,270,714.82/428,176,474.56 = 171,046,458.80/x
  3. Step 3: Cross multiply
    310,270,714.82x = 428,176,474.56 × 171,046,458.80
  4. Step 4: Simplify right side
    310,270,714.82x = 73,238,069,714,956,288
  5. Step 5: Solve for x
    x = 73,238,069,714,956,288/310,270,714.82
  6. Step 6: Final answer
    x = 236,045,705.30

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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.