Home / 252,174,019.20-378,261,028.80-123,033,856.20

Finding the Fourth Proportional to 252,174,019.20, 378,261,028.80 and 123,033,856.20

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Solution

The fourth proportional to 252,174,019.20, 378,261,028.80 and 123,033,856.20 is: 184,550,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,174,019.20 : 378,261,028.80 = 123,033,856.20 : x
  2. Step 2: Convert to fraction form
    252,174,019.20/378,261,028.80 = 123,033,856.20/x
  3. Step 3: Cross multiply
    252,174,019.20x = 378,261,028.80 × 123,033,856.20
  4. Step 4: Simplify right side
    252,174,019.20x = 46,538,913,023,443,264
  5. Step 5: Solve for x
    x = 46,538,913,023,443,264/252,174,019.20
  6. Step 6: Final answer
    x = 184,550,784.30

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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.