Home / 271,520,586.63-407,284,616.88-77,432,022.72

Finding the Fourth Proportional to 271,520,586.63, 407,284,616.88 and 77,432,022.72

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Solution

The fourth proportional to 271,520,586.63, 407,284,616.88 and 77,432,022.72 is: 116,149,099.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,520,586.63 : 407,284,616.88 = 77,432,022.72 : x
  2. Step 2: Convert to fraction form
    271,520,586.63/407,284,616.88 = 77,432,022.72/x
  3. Step 3: Cross multiply
    271,520,586.63x = 407,284,616.88 × 77,432,022.72
  4. Step 4: Simplify right side
    271,520,586.63x = 31,536,871,707,758,656
  5. Step 5: Solve for x
    x = 31,536,871,707,758,656/271,520,586.63
  6. Step 6: Final answer
    x = 116,149,099.78

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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.