Home / 100,296,732.62-138,350,850.36-63,068,092.58

Finding the Fourth Proportional to 100,296,732.62, 138,350,850.36 and 63,068,092.58

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Solution

The fourth proportional to 100,296,732.62, 138,350,850.36 and 63,068,092.58 is: 86,997,093.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,296,732.62 : 138,350,850.36 = 63,068,092.58 : x
  2. Step 2: Convert to fraction form
    100,296,732.62/138,350,850.36 = 63,068,092.58/x
  3. Step 3: Cross multiply
    100,296,732.62x = 138,350,850.36 × 63,068,092.58
  4. Step 4: Simplify right side
    100,296,732.62x = 8,725,524,238,334,453
  5. Step 5: Solve for x
    x = 8,725,524,238,334,453/100,296,732.62
  6. Step 6: Final answer
    x = 86,997,093.63

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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.