Home / 252,174,016.20-378,261,024.30-123,033,853.20

Finding the Fourth Proportional to 252,174,016.20, 378,261,024.30 and 123,033,853.20

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Solution

The fourth proportional to 252,174,016.20, 378,261,024.30 and 123,033,853.20 is: 184,550,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,174,016.20 : 378,261,024.30 = 123,033,853.20 : x
  2. Step 2: Convert to fraction form
    252,174,016.20/378,261,024.30 = 123,033,853.20/x
  3. Step 3: Cross multiply
    252,174,016.20x = 378,261,024.30 × 123,033,853.20
  4. Step 4: Simplify right side
    252,174,016.20x = 46,538,911,335,007,832
  5. Step 5: Solve for x
    x = 46,538,911,335,007,832/252,174,016.20
  6. Step 6: Final answer
    x = 184,550,779.80

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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.