Home / 219,969,891.10-329,954,836.65-197,011,639.90

Finding the Fourth Proportional to 219,969,891.10, 329,954,836.65 and 197,011,639.90

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Solution

The fourth proportional to 219,969,891.10, 329,954,836.65 and 197,011,639.90 is: 295,517,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,969,891.10 : 329,954,836.65 = 197,011,639.90 : x
  2. Step 2: Convert to fraction form
    219,969,891.10/329,954,836.65 = 197,011,639.90/x
  3. Step 3: Cross multiply
    219,969,891.10x = 329,954,836.65 × 197,011,639.90
  4. Step 4: Simplify right side
    219,969,891.10x = 65,004,943,461,353,120
  5. Step 5: Solve for x
    x = 65,004,943,461,353,120/219,969,891.10
  6. Step 6: Final answer
    x = 295,517,459.85

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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.