Home / 80,198,645.72-110,674,343.94-43,529,216.72

Finding the Fourth Proportional to 80,198,645.72, 110,674,343.94 and 43,529,216.72

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Solution

The fourth proportional to 80,198,645.72, 110,674,343.94 and 43,529,216.72 is: 60,070,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,198,645.72 : 110,674,343.94 = 43,529,216.72 : x
  2. Step 2: Convert to fraction form
    80,198,645.72/110,674,343.94 = 43,529,216.72/x
  3. Step 3: Cross multiply
    80,198,645.72x = 110,674,343.94 × 43,529,216.72
  4. Step 4: Simplify right side
    80,198,645.72x = 4,817,567,502,708,078
  5. Step 5: Solve for x
    x = 4,817,567,502,708,078/80,198,645.72
  6. Step 6: Final answer
    x = 60,070,434.60

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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.