Home / 172,467,960.32-238,006,752.26-98,128,519.29

Finding the Fourth Proportional to 172,467,960.32, 238,006,752.26 and 98,128,519.29

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Solution

The fourth proportional to 172,467,960.32, 238,006,752.26 and 98,128,519.29 is: 135,417,906.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,467,960.32 : 238,006,752.26 = 98,128,519.29 : x
  2. Step 2: Convert to fraction form
    172,467,960.32/238,006,752.26 = 98,128,519.29/x
  3. Step 3: Cross multiply
    172,467,960.32x = 238,006,752.26 × 98,128,519.29
  4. Step 4: Simplify right side
    172,467,960.32x = 23,355,250,179,805,020
  5. Step 5: Solve for x
    x = 23,355,250,179,805,020/172,467,960.32
  6. Step 6: Final answer
    x = 135,417,906.82

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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.