Home / 55,253,164.80-82,720,314.90-48,875,872.80

Finding the Fourth Proportional to 55,253,164.80, 82,720,314.90 and 48,875,872.80

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Solution

The fourth proportional to 55,253,164.80, 82,720,314.90 and 48,875,872.80 is: 73,172,778.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,253,164.80 : 82,720,314.90 = 48,875,872.80 : x
  2. Step 2: Convert to fraction form
    55,253,164.80/82,720,314.90 = 48,875,872.80/x
  3. Step 3: Cross multiply
    55,253,164.80x = 82,720,314.90 × 48,875,872.80
  4. Step 4: Simplify right side
    55,253,164.80x = 4,043,027,589,028,345
  5. Step 5: Solve for x
    x = 4,043,027,589,028,345/55,253,164.80
  6. Step 6: Final answer
    x = 73,172,778.49

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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.