Home / 252,174,005.70-378,261,008.55-123,033,842.70

Finding the Fourth Proportional to 252,174,005.70, 378,261,008.55 and 123,033,842.70

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Solution

The fourth proportional to 252,174,005.70, 378,261,008.55 and 123,033,842.70 is: 184,550,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,174,005.70 : 378,261,008.55 = 123,033,842.70 : x
  2. Step 2: Convert to fraction form
    252,174,005.70/378,261,008.55 = 123,033,842.70/x
  3. Step 3: Cross multiply
    252,174,005.70x = 378,261,008.55 × 123,033,842.70
  4. Step 4: Simplify right side
    252,174,005.70x = 46,538,905,425,484,056
  5. Step 5: Solve for x
    x = 46,538,905,425,484,056/252,174,005.70
  6. Step 6: Final answer
    x = 184,550,764.05

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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.