Home / 220,070,100.80-329,321,330.40-191,628,603.20

Finding the Fourth Proportional to 220,070,100.80, 329,321,330.40 and 191,628,603.20

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Solution

The fourth proportional to 220,070,100.80, 329,321,330.40 and 191,628,603.20 is: 286,760,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,070,100.80 : 329,321,330.40 = 191,628,603.20 : x
  2. Step 2: Convert to fraction form
    220,070,100.80/329,321,330.40 = 191,628,603.20/x
  3. Step 3: Cross multiply
    220,070,100.80x = 329,321,330.40 × 191,628,603.20
  4. Step 4: Simplify right side
    220,070,100.80x = 63,107,386,548,517,688
  5. Step 5: Solve for x
    x = 63,107,386,548,517,688/220,070,100.80
  6. Step 6: Final answer
    x = 286,760,383.71

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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.