Home / 143,789,212.80-215,683,819.20-135,853,027.20

Finding the Fourth Proportional to 143,789,212.80, 215,683,819.20 and 135,853,027.20

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Solution

The fourth proportional to 143,789,212.80, 215,683,819.20 and 135,853,027.20 is: 203,779,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,789,212.80 : 215,683,819.20 = 135,853,027.20 : x
  2. Step 2: Convert to fraction form
    143,789,212.80/215,683,819.20 = 135,853,027.20/x
  3. Step 3: Cross multiply
    143,789,212.80x = 215,683,819.20 × 135,853,027.20
  4. Step 4: Simplify right side
    143,789,212.80x = 29,301,299,756,377,480
  5. Step 5: Solve for x
    x = 29,301,299,756,377,480/143,789,212.80
  6. Step 6: Final answer
    x = 203,779,540.80

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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.