Home / 217,228,822.32-325,933,469.64-87,927,835.44

Finding the Fourth Proportional to 217,228,822.32, 325,933,469.64 and 87,927,835.44

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Solution

The fourth proportional to 217,228,822.32, 325,933,469.64 and 87,927,835.44 is: 131,928,278.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,228,822.32 : 325,933,469.64 = 87,927,835.44 : x
  2. Step 2: Convert to fraction form
    217,228,822.32/325,933,469.64 = 87,927,835.44/x
  3. Step 3: Cross multiply
    217,228,822.32x = 325,933,469.64 × 87,927,835.44
  4. Step 4: Simplify right side
    217,228,822.32x = 28,658,624,482,894,156
  5. Step 5: Solve for x
    x = 28,658,624,482,894,156/217,228,822.32
  6. Step 6: Final answer
    x = 131,928,278.10

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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.