Home / 74,914,615.70-112,379,407.95-20,328,067.70

Finding the Fourth Proportional to 74,914,615.70, 112,379,407.95 and 20,328,067.70

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Solution

The fourth proportional to 74,914,615.70, 112,379,407.95 and 20,328,067.70 is: 30,494,132.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,914,615.70 : 112,379,407.95 = 20,328,067.70 : x
  2. Step 2: Convert to fraction form
    74,914,615.70/112,379,407.95 = 20,328,067.70/x
  3. Step 3: Cross multiply
    74,914,615.70x = 112,379,407.95 × 20,328,067.70
  4. Step 4: Simplify right side
    74,914,615.70x = 2,284,456,212,893,518
  5. Step 5: Solve for x
    x = 2,284,456,212,893,518/74,914,615.70
  6. Step 6: Final answer
    x = 30,494,132.44

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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.