Home / 66,033,655.76-91,126,620.60-36,665,042.96

Finding the Fourth Proportional to 66,033,655.76, 91,126,620.60 and 36,665,042.96

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Solution

The fourth proportional to 66,033,655.76, 91,126,620.60 and 36,665,042.96 is: 50,597,856.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,033,655.76 : 91,126,620.60 = 36,665,042.96 : x
  2. Step 2: Convert to fraction form
    66,033,655.76/91,126,620.60 = 36,665,042.96/x
  3. Step 3: Cross multiply
    66,033,655.76x = 91,126,620.60 × 36,665,042.96
  4. Step 4: Simplify right side
    66,033,655.76x = 3,341,161,459,098,621
  5. Step 5: Solve for x
    x = 3,341,161,459,098,621/66,033,655.76
  6. Step 6: Final answer
    x = 50,597,856.81

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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.