Home / 220,070,101.80-329,321,331.90-191,628,604.20

Finding the Fourth Proportional to 220,070,101.80, 329,321,331.90 and 191,628,604.20

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Solution

The fourth proportional to 220,070,101.80, 329,321,331.90 and 191,628,604.20 is: 286,760,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,070,101.80 : 329,321,331.90 = 191,628,604.20 : x
  2. Step 2: Convert to fraction form
    220,070,101.80/329,321,331.90 = 191,628,604.20/x
  3. Step 3: Cross multiply
    220,070,101.80x = 329,321,331.90 × 191,628,604.20
  4. Step 4: Simplify right side
    220,070,101.80x = 63,107,387,165,281,928
  5. Step 5: Solve for x
    x = 63,107,387,165,281,928/220,070,101.80
  6. Step 6: Final answer
    x = 286,760,385.21

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1.5x scale

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.