Home / 100,926,286.45-139,278,331.40-54,516,540.82

Finding the Fourth Proportional to 100,926,286.45, 139,278,331.40 and 54,516,540.82

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Solution

The fourth proportional to 100,926,286.45, 139,278,331.40 and 54,516,540.82 is: 75,232,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,926,286.45 : 139,278,331.40 = 54,516,540.82 : x
  2. Step 2: Convert to fraction form
    100,926,286.45/139,278,331.40 = 54,516,540.82/x
  3. Step 3: Cross multiply
    100,926,286.45x = 139,278,331.40 × 54,516,540.82
  4. Step 4: Simplify right side
    100,926,286.45x = 7,592,972,839,109,588
  5. Step 5: Solve for x
    x = 7,592,972,839,109,588/100,926,286.45
  6. Step 6: Final answer
    x = 75,232,856.63

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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.