Home / 118,568,744.31-163,642,051.61-68,323,187.60

Finding the Fourth Proportional to 118,568,744.31, 163,642,051.61 and 68,323,187.60

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Solution

The fourth proportional to 118,568,744.31, 163,642,051.61 and 68,323,187.60 is: 94,295,901.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,568,744.31 : 163,642,051.61 = 68,323,187.60 : x
  2. Step 2: Convert to fraction form
    118,568,744.31/163,642,051.61 = 68,323,187.60/x
  3. Step 3: Cross multiply
    118,568,744.31x = 163,642,051.61 × 68,323,187.60
  4. Step 4: Simplify right side
    118,568,744.31x = 11,180,546,591,398,912
  5. Step 5: Solve for x
    x = 11,180,546,591,398,912/118,568,744.31
  6. Step 6: Final answer
    x = 94,295,901.14

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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.