Home / 76,761,778.80-115,162,597.80-22,909,096.56

Finding the Fourth Proportional to 76,761,778.80, 115,162,597.80 and 22,909,096.56

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Solution

The fourth proportional to 76,761,778.80, 115,162,597.80 and 22,909,096.56 is: 34,369,592.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,761,778.80 : 115,162,597.80 = 22,909,096.56 : x
  2. Step 2: Convert to fraction form
    76,761,778.80/115,162,597.80 = 22,909,096.56/x
  3. Step 3: Cross multiply
    76,761,778.80x = 115,162,597.80 × 22,909,096.56
  4. Step 4: Simplify right side
    76,761,778.80x = 2,638,271,073,100,643.50
  5. Step 5: Solve for x
    x = 2,638,271,073,100,643.50/76,761,778.80
  6. Step 6: Final answer
    x = 34,369,592.71

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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.