Home / 79,785,467.76-119,746,183.32-31,297,053.36

Finding the Fourth Proportional to 79,785,467.76, 119,746,183.32 and 31,297,053.36

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Solution

The fourth proportional to 79,785,467.76, 119,746,183.32 and 31,297,053.36 is: 46,972,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,785,467.76 : 119,746,183.32 = 31,297,053.36 : x
  2. Step 2: Convert to fraction form
    79,785,467.76/119,746,183.32 = 31,297,053.36/x
  3. Step 3: Cross multiply
    79,785,467.76x = 119,746,183.32 × 31,297,053.36
  4. Step 4: Simplify right side
    79,785,467.76x = 3,747,702,689,022,381.50
  5. Step 5: Solve for x
    x = 3,747,702,689,022,381.50/79,785,467.76
  6. Step 6: Final answer
    x = 46,972,246.88

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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.