Home / 215,612,077.30-297,544,666.66-122,801,221.06

Finding the Fourth Proportional to 215,612,077.30, 297,544,666.66 and 122,801,221.06

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Solution

The fourth proportional to 215,612,077.30, 297,544,666.66 and 122,801,221.06 is: 169,465,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,612,077.30 : 297,544,666.66 = 122,801,221.06 : x
  2. Step 2: Convert to fraction form
    215,612,077.30/297,544,666.66 = 122,801,221.06/x
  3. Step 3: Cross multiply
    215,612,077.30x = 297,544,666.66 × 122,801,221.06
  4. Step 4: Simplify right side
    215,612,077.30x = 36,538,848,385,377,944
  5. Step 5: Solve for x
    x = 36,538,848,385,377,944/215,612,077.30
  6. Step 6: Final answer
    x = 169,465,685.06

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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.