Home / 143,856,505.80-215,784,758.70-52,961,286.60

Finding the Fourth Proportional to 143,856,505.80, 215,784,758.70 and 52,961,286.60

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Solution

The fourth proportional to 143,856,505.80, 215,784,758.70 and 52,961,286.60 is: 79,441,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,856,505.80 : 215,784,758.70 = 52,961,286.60 : x
  2. Step 2: Convert to fraction form
    143,856,505.80/215,784,758.70 = 52,961,286.60/x
  3. Step 3: Cross multiply
    143,856,505.80x = 215,784,758.70 × 52,961,286.60
  4. Step 4: Simplify right side
    143,856,505.80x = 11,428,238,449,422,544
  5. Step 5: Solve for x
    x = 11,428,238,449,422,544/143,856,505.80
  6. Step 6: Final answer
    x = 79,441,929.90

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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.