Home / 202,136,310.70-303,204,466.05-72,748,141.90

Finding the Fourth Proportional to 202,136,310.70, 303,204,466.05 and 72,748,141.90

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Solution

The fourth proportional to 202,136,310.70, 303,204,466.05 and 72,748,141.90 is: 109,122,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,136,310.70 : 303,204,466.05 = 72,748,141.90 : x
  2. Step 2: Convert to fraction form
    202,136,310.70/303,204,466.05 = 72,748,141.90/x
  3. Step 3: Cross multiply
    202,136,310.70x = 303,204,466.05 × 72,748,141.90
  4. Step 4: Simplify right side
    202,136,310.70x = 22,057,561,520,919,136
  5. Step 5: Solve for x
    x = 22,057,561,520,919,136/202,136,310.70
  6. Step 6: Final answer
    x = 109,122,212.85

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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.