Home / 189,217,982.80-283,826,974.20-68,033,688.40

Finding the Fourth Proportional to 189,217,982.80, 283,826,974.20 and 68,033,688.40

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Solution

The fourth proportional to 189,217,982.80, 283,826,974.20 and 68,033,688.40 is: 102,050,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,217,982.80 : 283,826,974.20 = 68,033,688.40 : x
  2. Step 2: Convert to fraction form
    189,217,982.80/283,826,974.20 = 68,033,688.40/x
  3. Step 3: Cross multiply
    189,217,982.80x = 283,826,974.20 × 68,033,688.40
  4. Step 4: Simplify right side
    189,217,982.80x = 19,309,795,922,237,640
  5. Step 5: Solve for x
    x = 19,309,795,922,237,640/189,217,982.80
  6. Step 6: Final answer
    x = 102,050,532.60

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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.