Home / 252,219,888-378,439,054.19-135,499,058.30

Finding the Fourth Proportional to 252,219,888, 378,439,054.19 and 135,499,058.30

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Solution

The fourth proportional to 252,219,888, 378,439,054.19 and 135,499,058.30 is: 203,307,264.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,219,888 : 378,439,054.19 = 135,499,058.30 : x
  2. Step 2: Convert to fraction form
    252,219,888/378,439,054.19 = 135,499,058.30/x
  3. Step 3: Cross multiply
    252,219,888x = 378,439,054.19 × 135,499,058.30
  4. Step 4: Simplify right side
    252,219,888x = 51,278,135,464,117,976
  5. Step 5: Solve for x
    x = 51,278,135,464,117,976/252,219,888
  6. Step 6: Final answer
    x = 203,307,264.43

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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.