Home / 132,201,009.20-198,301,513.80-129,933,527.60

Finding the Fourth Proportional to 132,201,009.20, 198,301,513.80 and 129,933,527.60

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Solution

The fourth proportional to 132,201,009.20, 198,301,513.80 and 129,933,527.60 is: 194,900,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,201,009.20 : 198,301,513.80 = 129,933,527.60 : x
  2. Step 2: Convert to fraction form
    132,201,009.20/198,301,513.80 = 129,933,527.60/x
  3. Step 3: Cross multiply
    132,201,009.20x = 198,301,513.80 × 129,933,527.60
  4. Step 4: Simplify right side
    132,201,009.20x = 25,766,015,216,454,080
  5. Step 5: Solve for x
    x = 25,766,015,216,454,080/132,201,009.20
  6. Step 6: Final answer
    x = 194,900,291.40

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1.5x scale

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.