Home / 79,785,471.76-119,746,189.32-31,297,057.36

Finding the Fourth Proportional to 79,785,471.76, 119,746,189.32 and 31,297,057.36

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Solution

The fourth proportional to 79,785,471.76, 119,746,189.32 and 31,297,057.36 is: 46,972,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,785,471.76 : 119,746,189.32 = 31,297,057.36 : x
  2. Step 2: Convert to fraction form
    79,785,471.76/119,746,189.32 = 31,297,057.36/x
  3. Step 3: Cross multiply
    79,785,471.76x = 119,746,189.32 × 31,297,057.36
  4. Step 4: Simplify right side
    79,785,471.76x = 3,747,703,355,789,459
  5. Step 5: Solve for x
    x = 3,747,703,355,789,459/79,785,471.76
  6. Step 6: Final answer
    x = 46,972,252.88

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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.