Home / 121,650,828.62-167,878,949.59-65,896,249.04

Finding the Fourth Proportional to 121,650,828.62, 167,878,949.59 and 65,896,249.04

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Solution

The fourth proportional to 121,650,828.62, 167,878,949.59 and 65,896,249.04 is: 90,937,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,650,828.62 : 167,878,949.59 = 65,896,249.04 : x
  2. Step 2: Convert to fraction form
    121,650,828.62/167,878,949.59 = 65,896,249.04/x
  3. Step 3: Cross multiply
    121,650,828.62x = 167,878,949.59 × 65,896,249.04
  4. Step 4: Simplify right side
    121,650,828.62x = 11,062,593,070,628,768
  5. Step 5: Solve for x
    x = 11,062,593,070,628,768/121,650,828.62
  6. Step 6: Final answer
    x = 90,937,260.33

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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.