Home / 100,048,334.55-138,071,016.77-55,394,306.39

Finding the Fourth Proportional to 100,048,334.55, 138,071,016.77 and 55,394,306.39

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Solution

The fourth proportional to 100,048,334.55, 138,071,016.77 and 55,394,306.39 is: 76,446,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,048,334.55 : 138,071,016.77 = 55,394,306.39 : x
  2. Step 2: Convert to fraction form
    100,048,334.55/138,071,016.77 = 55,394,306.39/x
  3. Step 3: Cross multiply
    100,048,334.55x = 138,071,016.77 × 55,394,306.39
  4. Step 4: Simplify right side
    100,048,334.55x = 7,648,348,205,568,880
  5. Step 5: Solve for x
    x = 7,648,348,205,568,880/100,048,334.55
  6. Step 6: Final answer
    x = 76,446,531.97

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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.