Home / 68,925,777.78-95,120,947.68-38,759,770.35

Finding the Fourth Proportional to 68,925,777.78, 95,120,947.68 and 38,759,770.35

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Solution

The fourth proportional to 68,925,777.78, 95,120,947.68 and 38,759,770.35 is: 53,490,380.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,925,777.78 : 95,120,947.68 = 38,759,770.35 : x
  2. Step 2: Convert to fraction form
    68,925,777.78/95,120,947.68 = 38,759,770.35/x
  3. Step 3: Cross multiply
    68,925,777.78x = 95,120,947.68 × 38,759,770.35
  4. Step 4: Simplify right side
    68,925,777.78x = 3,686,866,087,551,165.50
  5. Step 5: Solve for x
    x = 3,686,866,087,551,165.50/68,925,777.78
  6. Step 6: Final answer
    x = 53,490,380.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.