Home / 158,207,223.04-218,325,936.26-87,647,418.36

Finding the Fourth Proportional to 158,207,223.04, 218,325,936.26 and 87,647,418.36

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Solution

The fourth proportional to 158,207,223.04, 218,325,936.26 and 87,647,418.36 is: 120,953,419.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,207,223.04 : 218,325,936.26 = 87,647,418.36 : x
  2. Step 2: Convert to fraction form
    158,207,223.04/218,325,936.26 = 87,647,418.36/x
  3. Step 3: Cross multiply
    158,207,223.04x = 218,325,936.26 × 87,647,418.36
  4. Step 4: Simplify right side
    158,207,223.04x = 19,135,704,674,218,912
  5. Step 5: Solve for x
    x = 19,135,704,674,218,912/158,207,223.04
  6. Step 6: Final answer
    x = 120,953,419.87

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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.