Home / 180,557,487.87-270,447,091.21-121,942,850.34

Finding the Fourth Proportional to 180,557,487.87, 270,447,091.21 and 121,942,850.34

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Solution

The fourth proportional to 180,557,487.87, 270,447,091.21 and 121,942,850.34 is: 182,651,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,557,487.87 : 270,447,091.21 = 121,942,850.34 : x
  2. Step 2: Convert to fraction form
    180,557,487.87/270,447,091.21 = 121,942,850.34/x
  3. Step 3: Cross multiply
    180,557,487.87x = 270,447,091.21 × 121,942,850.34
  4. Step 4: Simplify right side
    180,557,487.87x = 32,979,089,168,309,356
  5. Step 5: Solve for x
    x = 32,979,089,168,309,356/180,557,487.87
  6. Step 6: Final answer
    x = 182,651,462.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.