Home / 142,694,391.24-196,914,910.32-83,960,860.32

Finding the Fourth Proportional to 142,694,391.24, 196,914,910.32 and 83,960,860.32

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Solution

The fourth proportional to 142,694,391.24, 196,914,910.32 and 83,960,860.32 is: 115,864,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,694,391.24 : 196,914,910.32 = 83,960,860.32 : x
  2. Step 2: Convert to fraction form
    142,694,391.24/196,914,910.32 = 83,960,860.32/x
  3. Step 3: Cross multiply
    142,694,391.24x = 196,914,910.32 × 83,960,860.32
  4. Step 4: Simplify right side
    142,694,391.24x = 16,533,145,280,302,844
  5. Step 5: Solve for x
    x = 16,533,145,280,302,844/142,694,391.24
  6. Step 6: Final answer
    x = 115,864,016.35

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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.