Home / 108,590,916,238.57-149,876,211,906.15-71,904,324,114.55

Finding the Fourth Proportional to 108,590,916,238.57, 149,876,211,906.15 and 71,904,324,114.55

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Solution

The fourth proportional to 108,590,916,238.57, 149,876,211,906.15 and 71,904,324,114.55 is: 99,241,705,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,590,916,238.57 : 149,876,211,906.15 = 71,904,324,114.55 : x
  2. Step 2: Convert to fraction form
    108,590,916,238.57/149,876,211,906.15 = 71,904,324,114.55/x
  3. Step 3: Cross multiply
    108,590,916,238.57x = 149,876,211,906.15 × 71,904,324,114.55
  4. Step 4: Simplify right side
    108,590,916,238.57x = 10,776,747,717,960,635,777,024
  5. Step 5: Solve for x
    x = 10,776,747,717,960,635,777,024/108,590,916,238.57
  6. Step 6: Final answer
    x = 99,241,705,395.36

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Double scale
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1.5x scale

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.