Home / 202,136,346.70-303,204,520.05-72,748,177.90

Finding the Fourth Proportional to 202,136,346.70, 303,204,520.05 and 72,748,177.90

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Solution

The fourth proportional to 202,136,346.70, 303,204,520.05 and 72,748,177.90 is: 109,122,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,136,346.70 : 303,204,520.05 = 72,748,177.90 : x
  2. Step 2: Convert to fraction form
    202,136,346.70/303,204,520.05 = 72,748,177.90/x
  3. Step 3: Cross multiply
    202,136,346.70x = 303,204,520.05 × 72,748,177.90
  4. Step 4: Simplify right side
    202,136,346.70x = 22,057,576,364,681,520
  5. Step 5: Solve for x
    x = 22,057,576,364,681,520/202,136,346.70
  6. Step 6: Final answer
    x = 109,122,266.85

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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.