Home / 121,600,855.62-167,821,160.91-69,397,748.82

Finding the Fourth Proportional to 121,600,855.62, 167,821,160.91 and 69,397,748.82

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Solution

The fourth proportional to 121,600,855.62, 167,821,160.91 and 69,397,748.82 is: 95,775,730.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,600,855.62 : 167,821,160.91 = 69,397,748.82 : x
  2. Step 2: Convert to fraction form
    121,600,855.62/167,821,160.91 = 69,397,748.82/x
  3. Step 3: Cross multiply
    121,600,855.62x = 167,821,160.91 × 69,397,748.82
  4. Step 4: Simplify right side
    121,600,855.62x = 11,646,410,771,512,982
  5. Step 5: Solve for x
    x = 11,646,410,771,512,982/121,600,855.62
  6. Step 6: Final answer
    x = 95,775,730.46

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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.