Home / 217,526,824.97-300,194,269.45-122,174,137.22

Finding the Fourth Proportional to 217,526,824.97, 300,194,269.45 and 122,174,137.22

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Solution

The fourth proportional to 217,526,824.97, 300,194,269.45 and 122,174,137.22 is: 168,604,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,526,824.97 : 300,194,269.45 = 122,174,137.22 : x
  2. Step 2: Convert to fraction form
    217,526,824.97/300,194,269.45 = 122,174,137.22/x
  3. Step 3: Cross multiply
    217,526,824.97x = 300,194,269.45 × 122,174,137.22
  4. Step 4: Simplify right side
    217,526,824.97x = 36,675,975,868,887,000
  5. Step 5: Solve for x
    x = 36,675,975,868,887,000/217,526,824.97
  6. Step 6: Final answer
    x = 168,604,381.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.