Home / 217,455,596.39-300,088,772.21-119,670,452.39

Finding the Fourth Proportional to 217,455,596.39, 300,088,772.21 and 119,670,452.39

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Solution

The fourth proportional to 217,455,596.39, 300,088,772.21 and 119,670,452.39 is: 165,145,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,455,596.39 : 300,088,772.21 = 119,670,452.39 : x
  2. Step 2: Convert to fraction form
    217,455,596.39/300,088,772.21 = 119,670,452.39/x
  3. Step 3: Cross multiply
    217,455,596.39x = 300,088,772.21 × 119,670,452.39
  4. Step 4: Simplify right side
    217,455,596.39x = 35,911,759,127,906,016
  5. Step 5: Solve for x
    x = 35,911,759,127,906,016/217,455,596.39
  6. Step 6: Final answer
    x = 165,145,251.37

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1.5x scale

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.