Home / 150,623,789.05-225,832,538.43-76,704,482.72

Finding the Fourth Proportional to 150,623,789.05, 225,832,538.43 and 76,704,482.72

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Solution

The fourth proportional to 150,623,789.05, 225,832,538.43 and 76,704,482.72 is: 115,004,197.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,623,789.05 : 225,832,538.43 = 76,704,482.72 : x
  2. Step 2: Convert to fraction form
    150,623,789.05/225,832,538.43 = 76,704,482.72/x
  3. Step 3: Cross multiply
    150,623,789.05x = 225,832,538.43 × 76,704,482.72
  4. Step 4: Simplify right side
    150,623,789.05x = 17,322,368,042,182,252
  5. Step 5: Solve for x
    x = 17,322,368,042,182,252/150,623,789.05
  6. Step 6: Final answer
    x = 115,004,197.88

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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.