Home / 76,800,711.23-105,995,350.28-43,317,063.41

Finding the Fourth Proportional to 76,800,711.23, 105,995,350.28 and 43,317,063.41

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Solution

The fourth proportional to 76,800,711.23, 105,995,350.28 and 43,317,063.41 is: 59,783,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,800,711.23 : 105,995,350.28 = 43,317,063.41 : x
  2. Step 2: Convert to fraction form
    76,800,711.23/105,995,350.28 = 43,317,063.41/x
  3. Step 3: Cross multiply
    76,800,711.23x = 105,995,350.28 × 43,317,063.41
  4. Step 4: Simplify right side
    76,800,711.23x = 4,591,407,309,292,325
  5. Step 5: Solve for x
    x = 4,591,407,309,292,325/76,800,711.23
  6. Step 6: Final answer
    x = 59,783,395.70

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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.