Home / 68,819,841.02-103,247,476.20-20,295,734.78

Finding the Fourth Proportional to 68,819,841.02, 103,247,476.20 and 20,295,734.78

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Solution

The fourth proportional to 68,819,841.02, 103,247,476.20 and 20,295,734.78 is: 30,448,826.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,819,841.02 : 103,247,476.20 = 20,295,734.78 : x
  2. Step 2: Convert to fraction form
    68,819,841.02/103,247,476.20 = 20,295,734.78/x
  3. Step 3: Cross multiply
    68,819,841.02x = 103,247,476.20 × 20,295,734.78
  4. Step 4: Simplify right side
    68,819,841.02x = 2,095,483,393,659,562.50
  5. Step 5: Solve for x
    x = 2,095,483,393,659,562.50/68,819,841.02
  6. Step 6: Final answer
    x = 30,448,826.42

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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.