Home / 147,571,982.20-221,363,222.10-45,335,855.80

Finding the Fourth Proportional to 147,571,982.20, 221,363,222.10 and 45,335,855.80

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Solution

The fourth proportional to 147,571,982.20, 221,363,222.10 and 45,335,855.80 is: 68,005,396.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,571,982.20 : 221,363,222.10 = 45,335,855.80 : x
  2. Step 2: Convert to fraction form
    147,571,982.20/221,363,222.10 = 45,335,855.80/x
  3. Step 3: Cross multiply
    147,571,982.20x = 221,363,222.10 × 45,335,855.80
  4. Step 4: Simplify right side
    147,571,982.20x = 10,035,691,116,548,972
  5. Step 5: Solve for x
    x = 10,035,691,116,548,972/147,571,982.20
  6. Step 6: Final answer
    x = 68,005,396.19

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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.