Home / 45,407,279.40-68,110,919.10-45,123,844.20

Finding the Fourth Proportional to 45,407,279.40, 68,110,919.10 and 45,123,844.20

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Solution

The fourth proportional to 45,407,279.40, 68,110,919.10 and 45,123,844.20 is: 67,685,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,407,279.40 : 68,110,919.10 = 45,123,844.20 : x
  2. Step 2: Convert to fraction form
    45,407,279.40/68,110,919.10 = 45,123,844.20/x
  3. Step 3: Cross multiply
    45,407,279.40x = 68,110,919.10 × 45,123,844.20
  4. Step 4: Simplify right side
    45,407,279.40x = 3,073,426,501,787,204
  5. Step 5: Solve for x
    x = 3,073,426,501,787,204/45,407,279.40
  6. Step 6: Final answer
    x = 67,685,766.30

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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.