Home / 100,598,947,891.27-138,826,979,690.27-54,874,219,754.33

Finding the Fourth Proportional to 100,598,947,891.27, 138,826,979,690.27 and 54,874,219,754.33

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Solution

The fourth proportional to 100,598,947,891.27, 138,826,979,690.27 and 54,874,219,754.33 is: 75,726,658,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,598,947,891.27 : 138,826,979,690.27 = 54,874,219,754.33 : x
  2. Step 2: Convert to fraction form
    100,598,947,891.27/138,826,979,690.27 = 54,874,219,754.33/x
  3. Step 3: Cross multiply
    100,598,947,891.27x = 138,826,979,690.27 × 54,874,219,754.33
  4. Step 4: Simplify right side
    100,598,947,891.27x = 7,618,022,191,353,783,386,112
  5. Step 5: Solve for x
    x = 7,618,022,191,353,783,386,112/100,598,947,891.27
  6. Step 6: Final answer
    x = 75,726,658,688.20

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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.