Home / 68,608,340.28-102,890,659.86-22,539,515.76

Finding the Fourth Proportional to 68,608,340.28, 102,890,659.86 and 22,539,515.76

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Solution

The fourth proportional to 68,608,340.28, 102,890,659.86 and 22,539,515.76 is: 33,802,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,608,340.28 : 102,890,659.86 = 22,539,515.76 : x
  2. Step 2: Convert to fraction form
    68,608,340.28/102,890,659.86 = 22,539,515.76/x
  3. Step 3: Cross multiply
    68,608,340.28x = 102,890,659.86 × 22,539,515.76
  4. Step 4: Simplify right side
    68,608,340.28x = 2,319,105,649,471,269.50
  5. Step 5: Solve for x
    x = 2,319,105,649,471,269.50/68,608,340.28
  6. Step 6: Final answer
    x = 33,802,095.20

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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.