Home / 121,244,464.52-167,317,428.15-65,489,884.67

Finding the Fourth Proportional to 121,244,464.52, 167,317,428.15 and 65,489,884.67

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Solution

The fourth proportional to 121,244,464.52, 167,317,428.15 and 65,489,884.67 is: 90,376,077.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,244,464.52 : 167,317,428.15 = 65,489,884.67 : x
  2. Step 2: Convert to fraction form
    121,244,464.52/167,317,428.15 = 65,489,884.67/x
  3. Step 3: Cross multiply
    121,244,464.52x = 167,317,428.15 × 65,489,884.67
  4. Step 4: Simplify right side
    121,244,464.52x = 10,957,599,071,987,924
  5. Step 5: Solve for x
    x = 10,957,599,071,987,924/121,244,464.52
  6. Step 6: Final answer
    x = 90,376,077.09

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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.