Home / 215,037,436.80-322,557,321.60-53,479,372.80

Finding the Fourth Proportional to 215,037,436.80, 322,557,321.60 and 53,479,372.80

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Solution

The fourth proportional to 215,037,436.80, 322,557,321.60 and 53,479,372.80 is: 80,219,349.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,037,436.80 : 322,557,321.60 = 53,479,372.80 : x
  2. Step 2: Convert to fraction form
    215,037,436.80/322,557,321.60 = 53,479,372.80/x
  3. Step 3: Cross multiply
    215,037,436.80x = 322,557,321.60 × 53,479,372.80
  4. Step 4: Simplify right side
    215,037,436.80x = 17,250,163,251,215,892
  5. Step 5: Solve for x
    x = 17,250,163,251,215,892/215,037,436.80
  6. Step 6: Final answer
    x = 80,219,349.28

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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.