Home / 341,342,049.31-512,013,322.83-82,557,518.76

Finding the Fourth Proportional to 341,342,049.31, 512,013,322.83 and 82,557,518.76

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Solution

The fourth proportional to 341,342,049.31, 512,013,322.83 and 82,557,518.76 is: 123,836,338.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,342,049.31 : 512,013,322.83 = 82,557,518.76 : x
  2. Step 2: Convert to fraction form
    341,342,049.31/512,013,322.83 = 82,557,518.76/x
  3. Step 3: Cross multiply
    341,342,049.31x = 512,013,322.83 × 82,557,518.76
  4. Step 4: Simplify right side
    341,342,049.31x = 42,270,549,505,217,256
  5. Step 5: Solve for x
    x = 42,270,549,505,217,256/341,342,049.31
  6. Step 6: Final answer
    x = 123,836,338.33

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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.