Home / 121,701,588.93-167,929,617.48-68,758,979.04

Finding the Fourth Proportional to 121,701,588.93, 167,929,617.48 and 68,758,979.04

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Solution

The fourth proportional to 121,701,588.93, 167,929,617.48 and 68,758,979.04 is: 94,876,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,701,588.93 : 167,929,617.48 = 68,758,979.04 : x
  2. Step 2: Convert to fraction form
    121,701,588.93/167,929,617.48 = 68,758,979.04/x
  3. Step 3: Cross multiply
    121,701,588.93x = 167,929,617.48 × 68,758,979.04
  4. Step 4: Simplify right side
    121,701,588.93x = 11,546,669,048,502,538
  5. Step 5: Solve for x
    x = 11,546,669,048,502,538/121,701,588.93
  6. Step 6: Final answer
    x = 94,876,896.43

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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.