Home / 217,223,434.20-325,835,151.30-80,880,605.40

Finding the Fourth Proportional to 217,223,434.20, 325,835,151.30 and 80,880,605.40

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Solution

The fourth proportional to 217,223,434.20, 325,835,151.30 and 80,880,605.40 is: 121,320,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,223,434.20 : 325,835,151.30 = 80,880,605.40 : x
  2. Step 2: Convert to fraction form
    217,223,434.20/325,835,151.30 = 80,880,605.40/x
  3. Step 3: Cross multiply
    217,223,434.20x = 325,835,151.30 × 80,880,605.40
  4. Step 4: Simplify right side
    217,223,434.20x = 26,353,744,297,744,600
  5. Step 5: Solve for x
    x = 26,353,744,297,744,600/217,223,434.20
  6. Step 6: Final answer
    x = 121,320,908.10

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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.