Home / 77,996,944.20-116,995,416.30-55,322,128.20

Finding the Fourth Proportional to 77,996,944.20, 116,995,416.30 and 55,322,128.20

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Solution

The fourth proportional to 77,996,944.20, 116,995,416.30 and 55,322,128.20 is: 82,983,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,996,944.20 : 116,995,416.30 = 55,322,128.20 : x
  2. Step 2: Convert to fraction form
    77,996,944.20/116,995,416.30 = 55,322,128.20/x
  3. Step 3: Cross multiply
    77,996,944.20x = 116,995,416.30 × 55,322,128.20
  4. Step 4: Simplify right side
    77,996,944.20x = 6,472,435,419,360,970
  5. Step 5: Solve for x
    x = 6,472,435,419,360,970/77,996,944.20
  6. Step 6: Final answer
    x = 82,983,192.30

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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.