Home / 84,376,171.78-116,457,329.61-51,347,062.68

Finding the Fourth Proportional to 84,376,171.78, 116,457,329.61 and 51,347,062.68

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Solution

The fourth proportional to 84,376,171.78, 116,457,329.61 and 51,347,062.68 is: 70,870,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,376,171.78 : 116,457,329.61 = 51,347,062.68 : x
  2. Step 2: Convert to fraction form
    84,376,171.78/116,457,329.61 = 51,347,062.68/x
  3. Step 3: Cross multiply
    84,376,171.78x = 116,457,329.61 × 51,347,062.68
  4. Step 4: Simplify right side
    84,376,171.78x = 5,979,741,802,920,737
  5. Step 5: Solve for x
    x = 5,979,741,802,920,737/84,376,171.78
  6. Step 6: Final answer
    x = 70,870,029.73

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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.