Home / 101,687,410.32-140,329,529.64-55,277,738.88

Finding the Fourth Proportional to 101,687,410.32, 140,329,529.64 and 55,277,738.88

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Solution

The fourth proportional to 101,687,410.32, 140,329,529.64 and 55,277,738.88 is: 76,283,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,687,410.32 : 140,329,529.64 = 55,277,738.88 : x
  2. Step 2: Convert to fraction form
    101,687,410.32/140,329,529.64 = 55,277,738.88/x
  3. Step 3: Cross multiply
    101,687,410.32x = 140,329,529.64 × 55,277,738.88
  4. Step 4: Simplify right side
    101,687,410.32x = 7,757,099,096,593,140
  5. Step 5: Solve for x
    x = 7,757,099,096,593,140/101,687,410.32
  6. Step 6: Final answer
    x = 76,283,770.75

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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.