Home / 210,999,865.50-316,471,067.10-55,540,654.38

Finding the Fourth Proportional to 210,999,865.50, 316,471,067.10 and 55,540,654.38

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Solution

The fourth proportional to 210,999,865.50, 316,471,067.10 and 55,540,654.38 is: 83,303,418.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,999,865.50 : 316,471,067.10 = 55,540,654.38 : x
  2. Step 2: Convert to fraction form
    210,999,865.50/316,471,067.10 = 55,540,654.38/x
  3. Step 3: Cross multiply
    210,999,865.50x = 316,471,067.10 × 55,540,654.38
  4. Step 4: Simplify right side
    210,999,865.50x = 17,577,010,159,070,892
  5. Step 5: Solve for x
    x = 17,577,010,159,070,892/210,999,865.50
  6. Step 6: Final answer
    x = 83,303,418.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.