Home / 290,142,882.30-435,214,323.45-192,782,891.10

Finding the Fourth Proportional to 290,142,882.30, 435,214,323.45 and 192,782,891.10

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Solution

The fourth proportional to 290,142,882.30, 435,214,323.45 and 192,782,891.10 is: 289,174,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,142,882.30 : 435,214,323.45 = 192,782,891.10 : x
  2. Step 2: Convert to fraction form
    290,142,882.30/435,214,323.45 = 192,782,891.10/x
  3. Step 3: Cross multiply
    290,142,882.30x = 435,214,323.45 × 192,782,891.10
  4. Step 4: Simplify right side
    290,142,882.30x = 83,901,875,522,821,520
  5. Step 5: Solve for x
    x = 83,901,875,522,821,520/290,142,882.30
  6. Step 6: Final answer
    x = 289,174,336.65

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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.