Home / 74,932,941.20-112,371,418.20-52,146,150.80

Finding the Fourth Proportional to 74,932,941.20, 112,371,418.20 and 52,146,150.80

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Solution

The fourth proportional to 74,932,941.20, 112,371,418.20 and 52,146,150.80 is: 78,199,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,932,941.20 : 112,371,418.20 = 52,146,150.80 : x
  2. Step 2: Convert to fraction form
    74,932,941.20/112,371,418.20 = 52,146,150.80/x
  3. Step 3: Cross multiply
    74,932,941.20x = 112,371,418.20 × 52,146,150.80
  4. Step 4: Simplify right side
    74,932,941.20x = 5,859,736,919,067,064
  5. Step 5: Solve for x
    x = 5,859,736,919,067,064/74,932,941.20
  6. Step 6: Final answer
    x = 78,199,745.34

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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.