Home / 168,438,624.20-252,657,936.30-40,787,808.20

Finding the Fourth Proportional to 168,438,624.20, 252,657,936.30 and 40,787,808.20

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Solution

The fourth proportional to 168,438,624.20, 252,657,936.30 and 40,787,808.20 is: 61,181,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,438,624.20 : 252,657,936.30 = 40,787,808.20 : x
  2. Step 2: Convert to fraction form
    168,438,624.20/252,657,936.30 = 40,787,808.20/x
  3. Step 3: Cross multiply
    168,438,624.20x = 252,657,936.30 × 40,787,808.20
  4. Step 4: Simplify right side
    168,438,624.20x = 10,305,363,446,012,218
  5. Step 5: Solve for x
    x = 10,305,363,446,012,218/168,438,624.20
  6. Step 6: Final answer
    x = 61,181,712.30

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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.