Home / 144,846,279.20-217,269,418.80-68,318,775.20

Finding the Fourth Proportional to 144,846,279.20, 217,269,418.80 and 68,318,775.20

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Solution

The fourth proportional to 144,846,279.20, 217,269,418.80 and 68,318,775.20 is: 102,478,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,846,279.20 : 217,269,418.80 = 68,318,775.20 : x
  2. Step 2: Convert to fraction form
    144,846,279.20/217,269,418.80 = 68,318,775.20/x
  3. Step 3: Cross multiply
    144,846,279.20x = 217,269,418.80 × 68,318,775.20
  4. Step 4: Simplify right side
    144,846,279.20x = 14,843,580,580,831,856
  5. Step 5: Solve for x
    x = 14,843,580,580,831,856/144,846,279.20
  6. Step 6: Final answer
    x = 102,478,162.80

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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.