Home / 121,244,491.16-167,317,464.81-65,489,911.25

Finding the Fourth Proportional to 121,244,491.16, 167,317,464.81 and 65,489,911.25

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Solution

The fourth proportional to 121,244,491.16, 167,317,464.81 and 65,489,911.25 is: 90,376,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,244,491.16 : 167,317,464.81 = 65,489,911.25 : x
  2. Step 2: Convert to fraction form
    121,244,491.16/167,317,464.81 = 65,489,911.25/x
  3. Step 3: Cross multiply
    121,244,491.16x = 167,317,464.81 × 65,489,911.25
  4. Step 4: Simplify right side
    121,244,491.16x = 10,957,605,920,145,310
  5. Step 5: Solve for x
    x = 10,957,605,920,145,310/121,244,491.16
  6. Step 6: Final answer
    x = 90,376,113.72

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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.