Home / 211,614,891.93-292,029,227.41-117,529,021.82

Finding the Fourth Proportional to 211,614,891.93, 292,029,227.41 and 117,529,021.82

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Solution

The fourth proportional to 211,614,891.93, 292,029,227.41 and 117,529,021.82 is: 162,190,425.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,614,891.93 : 292,029,227.41 = 117,529,021.82 : x
  2. Step 2: Convert to fraction form
    211,614,891.93/292,029,227.41 = 117,529,021.82/x
  3. Step 3: Cross multiply
    211,614,891.93x = 292,029,227.41 × 117,529,021.82
  4. Step 4: Simplify right side
    211,614,891.93x = 34,321,909,440,515,664
  5. Step 5: Solve for x
    x = 34,321,909,440,515,664/211,614,891.93
  6. Step 6: Final answer
    x = 162,190,425.86

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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.