Home / 122,207,266.44-169,090,124.19-106,558,899.39

Finding the Fourth Proportional to 122,207,266.44, 169,090,124.19 and 106,558,899.39

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Solution

The fourth proportional to 122,207,266.44, 169,090,124.19 and 106,558,899.39 is: 147,438,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,207,266.44 : 169,090,124.19 = 106,558,899.39 : x
  2. Step 2: Convert to fraction form
    122,207,266.44/169,090,124.19 = 106,558,899.39/x
  3. Step 3: Cross multiply
    122,207,266.44x = 169,090,124.19 × 106,558,899.39
  4. Step 4: Simplify right side
    122,207,266.44x = 18,018,057,531,404,816
  5. Step 5: Solve for x
    x = 18,018,057,531,404,816/122,207,266.44
  6. Step 6: Final answer
    x = 147,438,512.10

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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.