Home / 133,760,722.20-200,641,083.30-80,013,010.20

Finding the Fourth Proportional to 133,760,722.20, 200,641,083.30 and 80,013,010.20

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Solution

The fourth proportional to 133,760,722.20, 200,641,083.30 and 80,013,010.20 is: 120,019,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,760,722.20 : 200,641,083.30 = 80,013,010.20 : x
  2. Step 2: Convert to fraction form
    133,760,722.20/200,641,083.30 = 80,013,010.20/x
  3. Step 3: Cross multiply
    133,760,722.20x = 200,641,083.30 × 80,013,010.20
  4. Step 4: Simplify right side
    133,760,722.20x = 16,053,897,044,621,952
  5. Step 5: Solve for x
    x = 16,053,897,044,621,952/133,760,722.20
  6. Step 6: Final answer
    x = 120,019,515.30

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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.