Home / 180,936,638.40-271,302,139.20-123,498,436.80

Finding the Fourth Proportional to 180,936,638.40, 271,302,139.20 and 123,498,436.80

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Solution

The fourth proportional to 180,936,638.40, 271,302,139.20 and 123,498,436.80 is: 185,177,476.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,936,638.40 : 271,302,139.20 = 123,498,436.80 : x
  2. Step 2: Convert to fraction form
    180,936,638.40/271,302,139.20 = 123,498,436.80/x
  3. Step 3: Cross multiply
    180,936,638.40x = 271,302,139.20 × 123,498,436.80
  4. Step 4: Simplify right side
    180,936,638.40x = 33,505,390,091,696,000
  5. Step 5: Solve for x
    x = 33,505,390,091,696,000/180,936,638.40
  6. Step 6: Final answer
    x = 185,177,476.42

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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.