Home / 211,772,951.90-292,253,770.05-117,691,063.54

Finding the Fourth Proportional to 211,772,951.90, 292,253,770.05 and 117,691,063.54

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Solution

The fourth proportional to 211,772,951.90, 292,253,770.05 and 117,691,063.54 is: 162,417,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,772,951.90 : 292,253,770.05 = 117,691,063.54 : x
  2. Step 2: Convert to fraction form
    211,772,951.90/292,253,770.05 = 117,691,063.54/x
  3. Step 3: Cross multiply
    211,772,951.90x = 292,253,770.05 × 117,691,063.54
  4. Step 4: Simplify right side
    211,772,951.90x = 34,395,657,021,396,104
  5. Step 5: Solve for x
    x = 34,395,657,021,396,104/211,772,951.90
  6. Step 6: Final answer
    x = 162,417,611.47

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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.