Home / 215,037,453.80-322,557,347.10-53,479,389.80

Finding the Fourth Proportional to 215,037,453.80, 322,557,347.10 and 53,479,389.80

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Solution

The fourth proportional to 215,037,453.80, 322,557,347.10 and 53,479,389.80 is: 80,219,374.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,037,453.80 : 322,557,347.10 = 53,479,389.80 : x
  2. Step 2: Convert to fraction form
    215,037,453.80/322,557,347.10 = 53,479,389.80/x
  3. Step 3: Cross multiply
    215,037,453.80x = 322,557,347.10 × 53,479,389.80
  4. Step 4: Simplify right side
    215,037,453.80x = 17,250,170,098,414,800
  5. Step 5: Solve for x
    x = 17,250,170,098,414,800/215,037,453.80
  6. Step 6: Final answer
    x = 80,219,374.78

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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.