Home / 132,097,000.40-198,145,500.60-80,440,935.20

Finding the Fourth Proportional to 132,097,000.40, 198,145,500.60 and 80,440,935.20

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Solution

The fourth proportional to 132,097,000.40, 198,145,500.60 and 80,440,935.20 is: 120,661,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,097,000.40 : 198,145,500.60 = 80,440,935.20 : x
  2. Step 2: Convert to fraction form
    132,097,000.40/198,145,500.60 = 80,440,935.20/x
  3. Step 3: Cross multiply
    132,097,000.40x = 198,145,500.60 × 80,440,935.20
  4. Step 4: Simplify right side
    132,097,000.40x = 15,939,009,373,936,162
  5. Step 5: Solve for x
    x = 15,939,009,373,936,162/132,097,000.40
  6. Step 6: Final answer
    x = 120,661,402.80

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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.