Home / 196,349,811.85-270,964,573.55-108,246,972.88

Finding the Fourth Proportional to 196,349,811.85, 270,964,573.55 and 108,246,972.88

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Solution

The fourth proportional to 196,349,811.85, 270,964,573.55 and 108,246,972.88 is: 149,381,833.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,349,811.85 : 270,964,573.55 = 108,246,972.88 : x
  2. Step 2: Convert to fraction form
    196,349,811.85/270,964,573.55 = 108,246,972.88/x
  3. Step 3: Cross multiply
    196,349,811.85x = 270,964,573.55 × 108,246,972.88
  4. Step 4: Simplify right side
    196,349,811.85x = 29,331,094,844,507,616
  5. Step 5: Solve for x
    x = 29,331,094,844,507,616/196,349,811.85
  6. Step 6: Final answer
    x = 149,381,833.21

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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.