Home / 76,654,500.28-105,782,672.25-41,847,190.72

Finding the Fourth Proportional to 76,654,500.28, 105,782,672.25 and 41,847,190.72

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Solution

The fourth proportional to 76,654,500.28, 105,782,672.25 and 41,847,190.72 is: 57,748,829.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,654,500.28 : 105,782,672.25 = 41,847,190.72 : x
  2. Step 2: Convert to fraction form
    76,654,500.28/105,782,672.25 = 41,847,190.72/x
  3. Step 3: Cross multiply
    76,654,500.28x = 105,782,672.25 × 41,847,190.72
  4. Step 4: Simplify right side
    76,654,500.28x = 4,426,707,660,517,001.50
  5. Step 5: Solve for x
    x = 4,426,707,660,517,001.50/76,654,500.28
  6. Step 6: Final answer
    x = 57,748,829.41

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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.