Home / 276,295,499.20-381,285,814.71-150,847,690.96

Finding the Fourth Proportional to 276,295,499.20, 381,285,814.71 and 150,847,690.96

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Solution

The fourth proportional to 276,295,499.20, 381,285,814.71 and 150,847,690.96 is: 208,168,735.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,295,499.20 : 381,285,814.71 = 150,847,690.96 : x
  2. Step 2: Convert to fraction form
    276,295,499.20/381,285,814.71 = 150,847,690.96/x
  3. Step 3: Cross multiply
    276,295,499.20x = 381,285,814.71 × 150,847,690.96
  4. Step 4: Simplify right side
    276,295,499.20x = 57,516,084,744,805,904
  5. Step 5: Solve for x
    x = 57,516,084,744,805,904/276,295,499.20
  6. Step 6: Final answer
    x = 208,168,735.69

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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.