Home / 78,863,725.36-108,676,912.44-60,299,899.12

Finding the Fourth Proportional to 78,863,725.36, 108,676,912.44 and 60,299,899.12

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Solution

The fourth proportional to 78,863,725.36, 108,676,912.44 and 60,299,899.12 is: 83,095,324.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,863,725.36 : 108,676,912.44 = 60,299,899.12 : x
  2. Step 2: Convert to fraction form
    78,863,725.36/108,676,912.44 = 60,299,899.12/x
  3. Step 3: Cross multiply
    78,863,725.36x = 108,676,912.44 × 60,299,899.12
  4. Step 4: Simplify right side
    78,863,725.36x = 6,553,206,856,805,073
  5. Step 5: Solve for x
    x = 6,553,206,856,805,073/78,863,725.36
  6. Step 6: Final answer
    x = 83,095,324.59

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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.