Home / 91,342,540.89-137,006,920.19-29,091,339.68

Finding the Fourth Proportional to 91,342,540.89, 137,006,920.19 and 29,091,339.68

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Solution

The fourth proportional to 91,342,540.89, 137,006,920.19 and 29,091,339.68 is: 43,634,814.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,342,540.89 : 137,006,920.19 = 29,091,339.68 : x
  2. Step 2: Convert to fraction form
    91,342,540.89/137,006,920.19 = 29,091,339.68/x
  3. Step 3: Cross multiply
    91,342,540.89x = 137,006,920.19 × 29,091,339.68
  4. Step 4: Simplify right side
    91,342,540.89x = 3,985,714,853,145,634
  5. Step 5: Solve for x
    x = 3,985,714,853,145,634/91,342,540.89
  6. Step 6: Final answer
    x = 43,634,814.78

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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.