Home / 132,122,406.80-198,183,610.20-86,205,904.40

Finding the Fourth Proportional to 132,122,406.80, 198,183,610.20 and 86,205,904.40

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Solution

The fourth proportional to 132,122,406.80, 198,183,610.20 and 86,205,904.40 is: 129,308,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,122,406.80 : 198,183,610.20 = 86,205,904.40 : x
  2. Step 2: Convert to fraction form
    132,122,406.80/198,183,610.20 = 86,205,904.40/x
  3. Step 3: Cross multiply
    132,122,406.80x = 198,183,610.20 × 86,205,904.40
  4. Step 4: Simplify right side
    132,122,406.80x = 17,084,597,354,548,066
  5. Step 5: Solve for x
    x = 17,084,597,354,548,066/132,122,406.80
  6. Step 6: Final answer
    x = 129,308,856.60

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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.