Home / 100,900,805.24-139,243,105.86-54,491,054.66

Finding the Fourth Proportional to 100,900,805.24, 139,243,105.86 and 54,491,054.66

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Solution

The fourth proportional to 100,900,805.24, 139,243,105.86 and 54,491,054.66 is: 75,197,652.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,900,805.24 : 139,243,105.86 = 54,491,054.66 : x
  2. Step 2: Convert to fraction form
    100,900,805.24/139,243,105.86 = 54,491,054.66/x
  3. Step 3: Cross multiply
    100,900,805.24x = 139,243,105.86 × 54,491,054.66
  4. Step 4: Simplify right side
    100,900,805.24x = 7,587,503,692,445,427
  5. Step 5: Solve for x
    x = 7,587,503,692,445,427/100,900,805.24
  6. Step 6: Final answer
    x = 75,197,652.53

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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.