Home / 132,318,651.60-198,477,977.40-126,366,512.40

Finding the Fourth Proportional to 132,318,651.60, 198,477,977.40 and 126,366,512.40

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Solution

The fourth proportional to 132,318,651.60, 198,477,977.40 and 126,366,512.40 is: 189,549,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,318,651.60 : 198,477,977.40 = 126,366,512.40 : x
  2. Step 2: Convert to fraction form
    132,318,651.60/198,477,977.40 = 126,366,512.40/x
  3. Step 3: Cross multiply
    132,318,651.60x = 198,477,977.40 × 126,366,512.40
  4. Step 4: Simplify right side
    132,318,651.60x = 25,080,969,792,244,020
  5. Step 5: Solve for x
    x = 25,080,969,792,244,020/132,318,651.60
  6. Step 6: Final answer
    x = 189,549,768.60

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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.