Home / 219,597,712.08-329,398,930.44-66,245,097.84

Finding the Fourth Proportional to 219,597,712.08, 329,398,930.44 and 66,245,097.84

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Solution

The fourth proportional to 219,597,712.08, 329,398,930.44 and 66,245,097.84 is: 99,368,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,597,712.08 : 329,398,930.44 = 66,245,097.84 : x
  2. Step 2: Convert to fraction form
    219,597,712.08/329,398,930.44 = 66,245,097.84/x
  3. Step 3: Cross multiply
    219,597,712.08x = 329,398,930.44 × 66,245,097.84
  4. Step 4: Simplify right side
    219,597,712.08x = 21,821,064,375,389,156
  5. Step 5: Solve for x
    x = 21,821,064,375,389,156/219,597,712.08
  6. Step 6: Final answer
    x = 99,368,359.39

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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.