Home / 220,965,932.28-304,879,661.22-142,632,709.80

Finding the Fourth Proportional to 220,965,932.28, 304,879,661.22 and 142,632,709.80

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Solution

The fourth proportional to 220,965,932.28, 304,879,661.22 and 142,632,709.80 is: 196,798,718.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,965,932.28 : 304,879,661.22 = 142,632,709.80 : x
  2. Step 2: Convert to fraction form
    220,965,932.28/304,879,661.22 = 142,632,709.80/x
  3. Step 3: Cross multiply
    220,965,932.28x = 304,879,661.22 × 142,632,709.80
  4. Step 4: Simplify right side
    220,965,932.28x = 43,485,812,242,714,584
  5. Step 5: Solve for x
    x = 43,485,812,242,714,584/220,965,932.28
  6. Step 6: Final answer
    x = 196,798,718.22

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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.