Home / 202,062,128.70-303,093,193.05-87,270,872.70

Finding the Fourth Proportional to 202,062,128.70, 303,093,193.05 and 87,270,872.70

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Solution

The fourth proportional to 202,062,128.70, 303,093,193.05 and 87,270,872.70 is: 130,906,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,062,128.70 : 303,093,193.05 = 87,270,872.70 : x
  2. Step 2: Convert to fraction form
    202,062,128.70/303,093,193.05 = 87,270,872.70/x
  3. Step 3: Cross multiply
    202,062,128.70x = 303,093,193.05 × 87,270,872.70
  4. Step 4: Simplify right side
    202,062,128.70x = 26,451,207,466,903,076
  5. Step 5: Solve for x
    x = 26,451,207,466,903,076/202,062,128.70
  6. Step 6: Final answer
    x = 130,906,309.05

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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.