Home / 220,965,938.24-304,879,669.56-142,632,715.80

Finding the Fourth Proportional to 220,965,938.24, 304,879,669.56 and 142,632,715.80

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Solution

The fourth proportional to 220,965,938.24, 304,879,669.56 and 142,632,715.80 is: 196,798,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,965,938.24 : 304,879,669.56 = 142,632,715.80 : x
  2. Step 2: Convert to fraction form
    220,965,938.24/304,879,669.56 = 142,632,715.80/x
  3. Step 3: Cross multiply
    220,965,938.24x = 304,879,669.56 × 142,632,715.80
  4. Step 4: Simplify right side
    220,965,938.24x = 43,485,815,261,549,392
  5. Step 5: Solve for x
    x = 43,485,815,261,549,392/220,965,938.24
  6. Step 6: Final answer
    x = 196,798,726.57

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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.