Home / 218,515,798.80-301,542,828.30-119,399,949

Finding the Fourth Proportional to 218,515,798.80, 301,542,828.30 and 119,399,949

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Solution

The fourth proportional to 218,515,798.80, 301,542,828.30 and 119,399,949 is: 164,767,026.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,515,798.80 : 301,542,828.30 = 119,399,949 : x
  2. Step 2: Convert to fraction form
    218,515,798.80/301,542,828.30 = 119,399,949/x
  3. Step 3: Cross multiply
    218,515,798.80x = 301,542,828.30 × 119,399,949
  4. Step 4: Simplify right side
    218,515,798.80x = 36,004,198,320,335,760
  5. Step 5: Solve for x
    x = 36,004,198,320,335,760/218,515,798.80
  6. Step 6: Final answer
    x = 164,767,026.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.