Home / 87,809,504.56-121,175,540.02-48,650,496.21

Finding the Fourth Proportional to 87,809,504.56, 121,175,540.02 and 48,650,496.21

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Solution

The fourth proportional to 87,809,504.56, 121,175,540.02 and 48,650,496.21 is: 67,136,811.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,809,504.56 : 121,175,540.02 = 48,650,496.21 : x
  2. Step 2: Convert to fraction form
    87,809,504.56/121,175,540.02 = 48,650,496.21/x
  3. Step 3: Cross multiply
    87,809,504.56x = 121,175,540.02 × 48,650,496.21
  4. Step 4: Simplify right side
    87,809,504.56x = 5,895,250,150,548,526
  5. Step 5: Solve for x
    x = 5,895,250,150,548,526/87,809,504.56
  6. Step 6: Final answer
    x = 67,136,811.44

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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.