Home / 310,274,175.78-428,179,659.03-171,041,882.58

Finding the Fourth Proportional to 310,274,175.78, 428,179,659.03 and 171,041,882.58

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Solution

The fourth proportional to 310,274,175.78, 428,179,659.03 and 171,041,882.58 is: 236,038,512.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,274,175.78 : 428,179,659.03 = 171,041,882.58 : x
  2. Step 2: Convert to fraction form
    310,274,175.78/428,179,659.03 = 171,041,882.58/x
  3. Step 3: Cross multiply
    310,274,175.78x = 428,179,659.03 × 171,041,882.58
  4. Step 4: Simplify right side
    310,274,175.78x = 73,236,654,962,953,696
  5. Step 5: Solve for x
    x = 73,236,654,962,953,696/310,274,175.78
  6. Step 6: Final answer
    x = 236,038,512.64

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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.