Home / 121,093,561.20-167,248,128.60-88,200,355.44

Finding the Fourth Proportional to 121,093,561.20, 167,248,128.60 and 88,200,355.44

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Solution

The fourth proportional to 121,093,561.20, 167,248,128.60 and 88,200,355.44 is: 121,817,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,093,561.20 : 167,248,128.60 = 88,200,355.44 : x
  2. Step 2: Convert to fraction form
    121,093,561.20/167,248,128.60 = 88,200,355.44/x
  3. Step 3: Cross multiply
    121,093,561.20x = 167,248,128.60 × 88,200,355.44
  4. Step 4: Simplify right side
    121,093,561.20x = 14,751,344,389,194,828
  5. Step 5: Solve for x
    x = 14,751,344,389,194,828/121,093,561.20
  6. Step 6: Final answer
    x = 121,817,743.59

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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.