Home / 271,991,143.57-375,349,049.22-154,522,919.61

Finding the Fourth Proportional to 271,991,143.57, 375,349,049.22 and 154,522,919.61

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Solution

The fourth proportional to 271,991,143.57, 375,349,049.22 and 154,522,919.61 is: 213,242,351.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,991,143.57 : 375,349,049.22 = 154,522,919.61 : x
  2. Step 2: Convert to fraction form
    271,991,143.57/375,349,049.22 = 154,522,919.61/x
  3. Step 3: Cross multiply
    271,991,143.57x = 375,349,049.22 × 154,522,919.61
  4. Step 4: Simplify right side
    271,991,143.57x = 58,000,030,955,662,624
  5. Step 5: Solve for x
    x = 58,000,030,955,662,624/271,991,143.57
  6. Step 6: Final answer
    x = 213,242,351.19

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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.