Home / 121,502,498.43-167,673,892.42-65,747,919.60

Finding the Fourth Proportional to 121,502,498.43, 167,673,892.42 and 65,747,919.60

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Solution

The fourth proportional to 121,502,498.43, 167,673,892.42 and 65,747,919.60 is: 90,732,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,502,498.43 : 167,673,892.42 = 65,747,919.60 : x
  2. Step 2: Convert to fraction form
    121,502,498.43/167,673,892.42 = 65,747,919.60/x
  3. Step 3: Cross multiply
    121,502,498.43x = 167,673,892.42 × 65,747,919.60
  4. Step 4: Simplify right side
    121,502,498.43x = 11,024,209,597,849,208
  5. Step 5: Solve for x
    x = 11,024,209,597,849,208/121,502,498.43
  6. Step 6: Final answer
    x = 90,732,369.62

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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.