Home / 172,722,836.88-238,356,936-94,406,345.04

Finding the Fourth Proportional to 172,722,836.88, 238,356,936 and 94,406,345.04

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Solution

The fourth proportional to 172,722,836.88, 238,356,936 and 94,406,345.04 is: 130,280,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,722,836.88 : 238,356,936 = 94,406,345.04 : x
  2. Step 2: Convert to fraction form
    172,722,836.88/238,356,936 = 94,406,345.04/x
  3. Step 3: Cross multiply
    172,722,836.88x = 238,356,936 × 94,406,345.04
  4. Step 4: Simplify right side
    172,722,836.88x = 22,502,407,142,693,200
  5. Step 5: Solve for x
    x = 22,502,407,142,693,200/172,722,836.88
  6. Step 6: Final answer
    x = 130,280,439.74

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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.