Home / 172,684,288.68-238,307,449.86-94,371,155.88

Finding the Fourth Proportional to 172,684,288.68, 238,307,449.86 and 94,371,155.88

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Solution

The fourth proportional to 172,684,288.68, 238,307,449.86 and 94,371,155.88 is: 130,233,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,684,288.68 : 238,307,449.86 = 94,371,155.88 : x
  2. Step 2: Convert to fraction form
    172,684,288.68/238,307,449.86 = 94,371,155.88/x
  3. Step 3: Cross multiply
    172,684,288.68x = 238,307,449.86 × 94,371,155.88
  4. Step 4: Simplify right side
    172,684,288.68x = 22,489,349,498,103,344
  5. Step 5: Solve for x
    x = 22,489,349,498,103,344/172,684,288.68
  6. Step 6: Final answer
    x = 130,233,906.45

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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.