Home / 217,455,722.20-300,088,946.10-119,670,578.20

Finding the Fourth Proportional to 217,455,722.20, 300,088,946.10 and 119,670,578.20

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Solution

The fourth proportional to 217,455,722.20, 300,088,946.10 and 119,670,578.20 is: 165,145,425.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,455,722.20 : 300,088,946.10 = 119,670,578.20 : x
  2. Step 2: Convert to fraction form
    217,455,722.20/300,088,946.10 = 119,670,578.20/x
  3. Step 3: Cross multiply
    217,455,722.20x = 300,088,946.10 × 119,670,578.20
  4. Step 4: Simplify right side
    217,455,722.20x = 35,911,817,691,215,640
  5. Step 5: Solve for x
    x = 35,911,817,691,215,640/217,455,722.20
  6. Step 6: Final answer
    x = 165,145,425.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.