Home / 219,369,940.20-329,054,910.30-55,607,380.20

Finding the Fourth Proportional to 219,369,940.20, 329,054,910.30 and 55,607,380.20

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Solution

The fourth proportional to 219,369,940.20, 329,054,910.30 and 55,607,380.20 is: 83,411,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,369,940.20 : 329,054,910.30 = 55,607,380.20 : x
  2. Step 2: Convert to fraction form
    219,369,940.20/329,054,910.30 = 55,607,380.20/x
  3. Step 3: Cross multiply
    219,369,940.20x = 329,054,910.30 × 55,607,380.20
  4. Step 4: Simplify right side
    219,369,940.20x = 18,297,881,503,728,996
  5. Step 5: Solve for x
    x = 18,297,881,503,728,996/219,369,940.20
  6. Step 6: Final answer
    x = 83,411,070.30

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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.