Home / 155,691,786.98-214,899,496.97-102,807,104.02

Finding the Fourth Proportional to 155,691,786.98, 214,899,496.97 and 102,807,104.02

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Solution

The fourth proportional to 155,691,786.98, 214,899,496.97 and 102,807,104.02 is: 141,903,406.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,691,786.98 : 214,899,496.97 = 102,807,104.02 : x
  2. Step 2: Convert to fraction form
    155,691,786.98/214,899,496.97 = 102,807,104.02/x
  3. Step 3: Cross multiply
    155,691,786.98x = 214,899,496.97 × 102,807,104.02
  4. Step 4: Simplify right side
    155,691,786.98x = 22,093,194,938,840,464
  5. Step 5: Solve for x
    x = 22,093,194,938,840,464/155,691,786.98
  6. Step 6: Final answer
    x = 141,903,406.51

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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.