Home / 132,102,406.40-198,153,609.60-98,090,182.40

Finding the Fourth Proportional to 132,102,406.40, 198,153,609.60 and 98,090,182.40

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Solution

The fourth proportional to 132,102,406.40, 198,153,609.60 and 98,090,182.40 is: 147,135,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,102,406.40 : 198,153,609.60 = 98,090,182.40 : x
  2. Step 2: Convert to fraction form
    132,102,406.40/198,153,609.60 = 98,090,182.40/x
  3. Step 3: Cross multiply
    132,102,406.40x = 198,153,609.60 × 98,090,182.40
  4. Step 4: Simplify right side
    132,102,406.40x = 19,436,923,708,882,392
  5. Step 5: Solve for x
    x = 19,436,923,708,882,392/132,102,406.40
  6. Step 6: Final answer
    x = 147,135,273.60

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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.