Home / 90,279,564.12-124,623,936.43-60,950,622.92

Finding the Fourth Proportional to 90,279,564.12, 124,623,936.43 and 60,950,622.92

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Solution

The fourth proportional to 90,279,564.12, 124,623,936.43 and 60,950,622.92 is: 84,137,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,279,564.12 : 124,623,936.43 = 60,950,622.92 : x
  2. Step 2: Convert to fraction form
    90,279,564.12/124,623,936.43 = 60,950,622.92/x
  3. Step 3: Cross multiply
    90,279,564.12x = 124,623,936.43 × 60,950,622.92
  4. Step 4: Simplify right side
    90,279,564.12x = 7,595,906,556,157,787
  5. Step 5: Solve for x
    x = 7,595,906,556,157,787/90,279,564.12
  6. Step 6: Final answer
    x = 84,137,607.78

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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.