Home / 217,936,309.92-300,738,502.80-120,151,165.92

Finding the Fourth Proportional to 217,936,309.92, 300,738,502.80 and 120,151,165.92

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Solution

The fourth proportional to 217,936,309.92, 300,738,502.80 and 120,151,165.92 is: 165,801,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,936,309.92 : 300,738,502.80 = 120,151,165.92 : x
  2. Step 2: Convert to fraction form
    217,936,309.92/300,738,502.80 = 120,151,165.92/x
  3. Step 3: Cross multiply
    217,936,309.92x = 300,738,502.80 × 120,151,165.92
  4. Step 4: Simplify right side
    217,936,309.92x = 36,134,081,748,455,184
  5. Step 5: Solve for x
    x = 36,134,081,748,455,184/217,936,309.92
  6. Step 6: Final answer
    x = 165,801,108.41

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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.