Home / 217,956,004.84-300,791,993.70-125,136,692.20

Finding the Fourth Proportional to 217,956,004.84, 300,791,993.70 and 125,136,692.20

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Solution

The fourth proportional to 217,956,004.84, 300,791,993.70 and 125,136,692.20 is: 172,695,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,956,004.84 : 300,791,993.70 = 125,136,692.20 : x
  2. Step 2: Convert to fraction form
    217,956,004.84/300,791,993.70 = 125,136,692.20/x
  3. Step 3: Cross multiply
    217,956,004.84x = 300,791,993.70 × 125,136,692.20
  4. Step 4: Simplify right side
    217,956,004.84x = 37,640,115,131,861,240
  5. Step 5: Solve for x
    x = 37,640,115,131,861,240/217,956,004.84
  6. Step 6: Final answer
    x = 172,695,930.81

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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.