Home / 352,388,082.20-528,582,123.30-122,333,178.20

Finding the Fourth Proportional to 352,388,082.20, 528,582,123.30 and 122,333,178.20

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Solution

The fourth proportional to 352,388,082.20, 528,582,123.30 and 122,333,178.20 is: 183,499,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,388,082.20 : 528,582,123.30 = 122,333,178.20 : x
  2. Step 2: Convert to fraction form
    352,388,082.20/528,582,123.30 = 122,333,178.20/x
  3. Step 3: Cross multiply
    352,388,082.20x = 528,582,123.30 × 122,333,178.20
  4. Step 4: Simplify right side
    352,388,082.20x = 64,663,131,082,993,272
  5. Step 5: Solve for x
    x = 64,663,131,082,993,272/352,388,082.20
  6. Step 6: Final answer
    x = 183,499,767.30

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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.