Home / 68,265,139.20-102,515,673.60-36,414,643.20

Finding the Fourth Proportional to 68,265,139.20, 102,515,673.60 and 36,414,643.20

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Solution

The fourth proportional to 68,265,139.20, 102,515,673.60 and 36,414,643.20 is: 54,684,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,265,139.20 : 102,515,673.60 = 36,414,643.20 : x
  2. Step 2: Convert to fraction form
    68,265,139.20/102,515,673.60 = 36,414,643.20/x
  3. Step 3: Cross multiply
    68,265,139.20x = 102,515,673.60 × 36,414,643.20
  4. Step 4: Simplify right side
    68,265,139.20x = 3,733,071,676,551,659.50
  5. Step 5: Solve for x
    x = 3,733,071,676,551,659.50/68,265,139.20
  6. Step 6: Final answer
    x = 54,684,890.71

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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.