Home / 211,772,986.83-292,253,818.23-117,691,098.44

Finding the Fourth Proportional to 211,772,986.83, 292,253,818.23 and 117,691,098.44

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Solution

The fourth proportional to 211,772,986.83, 292,253,818.23 and 117,691,098.44 is: 162,417,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,772,986.83 : 292,253,818.23 = 117,691,098.44 : x
  2. Step 2: Convert to fraction form
    211,772,986.83/292,253,818.23 = 117,691,098.44/x
  3. Step 3: Cross multiply
    211,772,986.83x = 292,253,818.23 × 117,691,098.44
  4. Step 4: Simplify right side
    211,772,986.83x = 34,395,672,889,311,532
  5. Step 5: Solve for x
    x = 34,395,672,889,311,532/211,772,986.83
  6. Step 6: Final answer
    x = 162,417,659.61

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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.