Home / 118,346,144.71-163,317,900.96-66,135,180.43

Finding the Fourth Proportional to 118,346,144.71, 163,317,900.96 and 66,135,180.43

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Solution

The fourth proportional to 118,346,144.71, 163,317,900.96 and 66,135,180.43 is: 91,266,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,346,144.71 : 163,317,900.96 = 66,135,180.43 : x
  2. Step 2: Convert to fraction form
    118,346,144.71/163,317,900.96 = 66,135,180.43/x
  3. Step 3: Cross multiply
    118,346,144.71x = 163,317,900.96 × 66,135,180.43
  4. Step 4: Simplify right side
    118,346,144.71x = 10,801,058,846,621,880
  5. Step 5: Solve for x
    x = 10,801,058,846,621,880/118,346,144.71
  6. Step 6: Final answer
    x = 91,266,672.64

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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.