Home / 115,839,262.32-173,523,747.24-90,174,729.84

Finding the Fourth Proportional to 115,839,262.32, 173,523,747.24 and 90,174,729.84

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Solution

The fourth proportional to 115,839,262.32, 173,523,747.24 and 90,174,729.84 is: 135,079,045.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,839,262.32 : 173,523,747.24 = 90,174,729.84 : x
  2. Step 2: Convert to fraction form
    115,839,262.32/173,523,747.24 = 90,174,729.84/x
  3. Step 3: Cross multiply
    115,839,262.32x = 173,523,747.24 × 90,174,729.84
  4. Step 4: Simplify right side
    115,839,262.32x = 15,647,457,028,191,448
  5. Step 5: Solve for x
    x = 15,647,457,028,191,448/115,839,262.32
  6. Step 6: Final answer
    x = 135,079,045.87

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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.