Home / 103,662,237,416.82-155,493,356,125.23-29,132,220,845.45

Finding the Fourth Proportional to 103,662,237,416.82, 155,493,356,125.23 and 29,132,220,845.45

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Solution

The fourth proportional to 103,662,237,416.82, 155,493,356,125.23 and 29,132,220,845.45 is: 43,698,331,268.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,662,237,416.82 : 155,493,356,125.23 = 29,132,220,845.45 : x
  2. Step 2: Convert to fraction form
    103,662,237,416.82/155,493,356,125.23 = 29,132,220,845.45/x
  3. Step 3: Cross multiply
    103,662,237,416.82x = 155,493,356,125.23 × 29,132,220,845.45
  4. Step 4: Simplify right side
    103,662,237,416.82x = 4,529,866,790,640,717,135,872
  5. Step 5: Solve for x
    x = 4,529,866,790,640,717,135,872/103,662,237,416.82
  6. Step 6: Final answer
    x = 43,698,331,268.18

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.