Home / 117,904,949.37-162,709,496.66-68,374,731.22

Finding the Fourth Proportional to 117,904,949.37, 162,709,496.66 and 68,374,731.22

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Solution

The fourth proportional to 117,904,949.37, 162,709,496.66 and 68,374,731.22 is: 94,357,515.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,904,949.37 : 162,709,496.66 = 68,374,731.22 : x
  2. Step 2: Convert to fraction form
    117,904,949.37/162,709,496.66 = 68,374,731.22/x
  3. Step 3: Cross multiply
    117,904,949.37x = 162,709,496.66 × 68,374,731.22
  4. Step 4: Simplify right side
    117,904,949.37x = 11,125,218,100,833,150
  5. Step 5: Solve for x
    x = 11,125,218,100,833,150/117,904,949.37
  6. Step 6: Final answer
    x = 94,357,515.61

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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.