Home / 229,272,393.11-316,409,185.76-172,655,785.44

Finding the Fourth Proportional to 229,272,393.11, 316,409,185.76 and 172,655,785.44

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Solution

The fourth proportional to 229,272,393.11, 316,409,185.76 and 172,655,785.44 is: 238,274,987.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,272,393.11 : 316,409,185.76 = 172,655,785.44 : x
  2. Step 2: Convert to fraction form
    229,272,393.11/316,409,185.76 = 172,655,785.44/x
  3. Step 3: Cross multiply
    229,272,393.11x = 316,409,185.76 × 172,655,785.44
  4. Step 4: Simplify right side
    229,272,393.11x = 54,629,876,486,960,384
  5. Step 5: Solve for x
    x = 54,629,876,486,960,384/229,272,393.11
  6. Step 6: Final answer
    x = 238,274,987.00

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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.