Home / 172,074,937.53-258,188,690.18-90,174,343.49

Finding the Fourth Proportional to 172,074,937.53, 258,188,690.18 and 90,174,343.49

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Solution

The fourth proportional to 172,074,937.53, 258,188,690.18 and 90,174,343.49 is: 135,301,491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,074,937.53 : 258,188,690.18 = 90,174,343.49 : x
  2. Step 2: Convert to fraction form
    172,074,937.53/258,188,690.18 = 90,174,343.49/x
  3. Step 3: Cross multiply
    172,074,937.53x = 258,188,690.18 × 90,174,343.49
  4. Step 4: Simplify right side
    172,074,937.53x = 23,281,995,633,524,508
  5. Step 5: Solve for x
    x = 23,281,995,633,524,508/172,074,937.53
  6. Step 6: Final answer
    x = 135,301,491.13

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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.