Home / 215,601,216.80-323,401,788.25-68,152,283.89

Finding the Fourth Proportional to 215,601,216.80, 323,401,788.25 and 68,152,283.89

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Solution

The fourth proportional to 215,601,216.80, 323,401,788.25 and 68,152,283.89 is: 102,228,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,601,216.80 : 323,401,788.25 = 68,152,283.89 : x
  2. Step 2: Convert to fraction form
    215,601,216.80/323,401,788.25 = 68,152,283.89/x
  3. Step 3: Cross multiply
    215,601,216.80x = 323,401,788.25 × 68,152,283.89
  4. Step 4: Simplify right side
    215,601,216.80x = 22,040,570,482,368,784
  5. Step 5: Solve for x
    x = 22,040,570,482,368,784/215,601,216.80
  6. Step 6: Final answer
    x = 102,228,414.15

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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.