Home / 117,268,106.04-161,762,751-73,138,490.64

Finding the Fourth Proportional to 117,268,106.04, 161,762,751 and 73,138,490.64

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Solution

The fourth proportional to 117,268,106.04, 161,762,751 and 73,138,490.64 is: 100,889,183.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,268,106.04 : 161,762,751 = 73,138,490.64 : x
  2. Step 2: Convert to fraction form
    117,268,106.04/161,762,751 = 73,138,490.64/x
  3. Step 3: Cross multiply
    117,268,106.04x = 161,762,751 × 73,138,490.64
  4. Step 4: Simplify right side
    117,268,106.04x = 11,831,083,449,914,150
  5. Step 5: Solve for x
    x = 11,831,083,449,914,150/117,268,106.04
  6. Step 6: Final answer
    x = 100,889,183.34

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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.