Home / 78,687,297.54-108,588,575.22-43,404,306.75

Finding the Fourth Proportional to 78,687,297.54, 108,588,575.22 and 43,404,306.75

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Solution

The fourth proportional to 78,687,297.54, 108,588,575.22 and 43,404,306.75 is: 59,898,001.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,687,297.54 : 108,588,575.22 = 43,404,306.75 : x
  2. Step 2: Convert to fraction form
    78,687,297.54/108,588,575.22 = 43,404,306.75/x
  3. Step 3: Cross multiply
    78,687,297.54x = 108,588,575.22 × 43,404,306.75
  4. Step 4: Simplify right side
    78,687,297.54x = 4,713,211,828,394,329
  5. Step 5: Solve for x
    x = 4,713,211,828,394,329/78,687,297.54
  6. Step 6: Final answer
    x = 59,898,001.02

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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.