Home / 132,996,933.40-199,495,400.10-87,609,976.60

Finding the Fourth Proportional to 132,996,933.40, 199,495,400.10 and 87,609,976.60

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Solution

The fourth proportional to 132,996,933.40, 199,495,400.10 and 87,609,976.60 is: 131,414,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,996,933.40 : 199,495,400.10 = 87,609,976.60 : x
  2. Step 2: Convert to fraction form
    132,996,933.40/199,495,400.10 = 87,609,976.60/x
  3. Step 3: Cross multiply
    132,996,933.40x = 199,495,400.10 × 87,609,976.60
  4. Step 4: Simplify right side
    132,996,933.40x = 17,477,787,334,568,636
  5. Step 5: Solve for x
    x = 17,477,787,334,568,636/132,996,933.40
  6. Step 6: Final answer
    x = 131,414,964.90

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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.