Home / 76,100,645.60-113,962,011.60-60,984,101.60

Finding the Fourth Proportional to 76,100,645.60, 113,962,011.60 and 60,984,101.60

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Solution

The fourth proportional to 76,100,645.60, 113,962,011.60 and 60,984,101.60 is: 91,324,729.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,100,645.60 : 113,962,011.60 = 60,984,101.60 : x
  2. Step 2: Convert to fraction form
    76,100,645.60/113,962,011.60 = 60,984,101.60/x
  3. Step 3: Cross multiply
    76,100,645.60x = 113,962,011.60 × 60,984,101.60
  4. Step 4: Simplify right side
    76,100,645.60x = 6,949,870,893,954,778
  5. Step 5: Solve for x
    x = 6,949,870,893,954,778/76,100,645.60
  6. Step 6: Final answer
    x = 91,324,729.76

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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.