Home / 151,121,208.20-226,681,812.30-120,888,120.20

Finding the Fourth Proportional to 151,121,208.20, 226,681,812.30 and 120,888,120.20

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Solution

The fourth proportional to 151,121,208.20, 226,681,812.30 and 120,888,120.20 is: 181,332,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,121,208.20 : 226,681,812.30 = 120,888,120.20 : x
  2. Step 2: Convert to fraction form
    151,121,208.20/226,681,812.30 = 120,888,120.20/x
  3. Step 3: Cross multiply
    151,121,208.20x = 226,681,812.30 × 120,888,120.20
  4. Step 4: Simplify right side
    151,121,208.20x = 27,403,138,172,476,240
  5. Step 5: Solve for x
    x = 27,403,138,172,476,240/151,121,208.20
  6. Step 6: Final answer
    x = 181,332,180.30

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1.5x scale

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.