Home / 121,502,454.87-167,673,832.08-65,747,875.80

Finding the Fourth Proportional to 121,502,454.87, 167,673,832.08 and 65,747,875.80

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Solution

The fourth proportional to 121,502,454.87, 167,673,832.08 and 65,747,875.80 is: 90,732,309.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,502,454.87 : 167,673,832.08 = 65,747,875.80 : x
  2. Step 2: Convert to fraction form
    121,502,454.87/167,673,832.08 = 65,747,875.80/x
  3. Step 3: Cross multiply
    121,502,454.87x = 167,673,832.08 × 65,747,875.80
  4. Step 4: Simplify right side
    121,502,454.87x = 11,024,198,286,505,896
  5. Step 5: Solve for x
    x = 11,024,198,286,505,896/121,502,454.87
  6. Step 6: Final answer
    x = 90,732,309.06

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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.