Home / 217,277,200.20-325,915,800.30-193,468,643.40

Finding the Fourth Proportional to 217,277,200.20, 325,915,800.30 and 193,468,643.40

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Solution

The fourth proportional to 217,277,200.20, 325,915,800.30 and 193,468,643.40 is: 290,202,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,277,200.20 : 325,915,800.30 = 193,468,643.40 : x
  2. Step 2: Convert to fraction form
    217,277,200.20/325,915,800.30 = 193,468,643.40/x
  3. Step 3: Cross multiply
    217,277,200.20x = 325,915,800.30 × 193,468,643.40
  4. Step 4: Simplify right side
    217,277,200.20x = 63,054,487,746,666,320
  5. Step 5: Solve for x
    x = 63,054,487,746,666,320/217,277,200.20
  6. Step 6: Final answer
    x = 290,202,965.10

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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.