Home / 196,347,827.72-270,960,820.64-108,239,889.80

Finding the Fourth Proportional to 196,347,827.72, 270,960,820.64 and 108,239,889.80

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Solution

The fourth proportional to 196,347,827.72, 270,960,820.64 and 108,239,889.80 is: 149,371,499.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,347,827.72 : 270,960,820.64 = 108,239,889.80 : x
  2. Step 2: Convert to fraction form
    196,347,827.72/270,960,820.64 = 108,239,889.80/x
  3. Step 3: Cross multiply
    196,347,827.72x = 270,960,820.64 × 108,239,889.80
  4. Step 4: Simplify right side
    196,347,827.72x = 29,328,769,366,191,164
  5. Step 5: Solve for x
    x = 29,328,769,366,191,164/196,347,827.72
  6. Step 6: Final answer
    x = 149,371,499.07

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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.