Home / 165,469,880.57-228,345,649.31-91,137,363.17

Finding the Fourth Proportional to 165,469,880.57, 228,345,649.31 and 91,137,363.17

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Solution

The fourth proportional to 165,469,880.57, 228,345,649.31 and 91,137,363.17 is: 125,768,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,469,880.57 : 228,345,649.31 = 91,137,363.17 : x
  2. Step 2: Convert to fraction form
    165,469,880.57/228,345,649.31 = 91,137,363.17/x
  3. Step 3: Cross multiply
    165,469,880.57x = 228,345,649.31 × 91,137,363.17
  4. Step 4: Simplify right side
    165,469,880.57x = 20,810,820,368,999,244
  5. Step 5: Solve for x
    x = 20,810,820,368,999,244/165,469,880.57
  6. Step 6: Final answer
    x = 125,768,026.77

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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.