Home / 222,346,866.52-306,838,704.88-123,234,012.80

Finding the Fourth Proportional to 222,346,866.52, 306,838,704.88 and 123,234,012.80

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Solution

The fourth proportional to 222,346,866.52, 306,838,704.88 and 123,234,012.80 is: 170,062,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,346,866.52 : 306,838,704.88 = 123,234,012.80 : x
  2. Step 2: Convert to fraction form
    222,346,866.52/306,838,704.88 = 123,234,012.80/x
  3. Step 3: Cross multiply
    222,346,866.52x = 306,838,704.88 × 123,234,012.80
  4. Step 4: Simplify right side
    222,346,866.52x = 37,812,964,884,717,344
  5. Step 5: Solve for x
    x = 37,812,964,884,717,344/222,346,866.52
  6. Step 6: Final answer
    x = 170,062,953.78

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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.