Home / 271,991,143.85-375,349,049.63-154,522,919.90

Finding the Fourth Proportional to 271,991,143.85, 375,349,049.63 and 154,522,919.90

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Solution

The fourth proportional to 271,991,143.85, 375,349,049.63 and 154,522,919.90 is: 213,242,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,991,143.85 : 375,349,049.63 = 154,522,919.90 : x
  2. Step 2: Convert to fraction form
    271,991,143.85/375,349,049.63 = 154,522,919.90/x
  3. Step 3: Cross multiply
    271,991,143.85x = 375,349,049.63 × 154,522,919.90
  4. Step 4: Simplify right side
    271,991,143.85x = 58,000,031,129,745,000
  5. Step 5: Solve for x
    x = 58,000,031,129,745,000/271,991,143.85
  6. Step 6: Final answer
    x = 213,242,351.60

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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.