Home / 77,297,797.92-106,672,286.40-42,491,955.36

Finding the Fourth Proportional to 77,297,797.92, 106,672,286.40 and 42,491,955.36

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Solution

The fourth proportional to 77,297,797.92, 106,672,286.40 and 42,491,955.36 is: 58,639,626.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,297,797.92 : 106,672,286.40 = 42,491,955.36 : x
  2. Step 2: Convert to fraction form
    77,297,797.92/106,672,286.40 = 42,491,955.36/x
  3. Step 3: Cross multiply
    77,297,797.92x = 106,672,286.40 × 42,491,955.36
  4. Step 4: Simplify right side
    77,297,797.92x = 4,532,714,031,857,935
  5. Step 5: Solve for x
    x = 4,532,714,031,857,935/77,297,797.92
  6. Step 6: Final answer
    x = 58,639,626.92

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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.