Home / 123,236,856.12-170,072,175.24-68,232,711

Finding the Fourth Proportional to 123,236,856.12, 170,072,175.24 and 68,232,711

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Solution

The fourth proportional to 123,236,856.12, 170,072,175.24 and 68,232,711 is: 94,164,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,236,856.12 : 170,072,175.24 = 68,232,711 : x
  2. Step 2: Convert to fraction form
    123,236,856.12/170,072,175.24 = 68,232,711/x
  3. Step 3: Cross multiply
    123,236,856.12x = 170,072,175.24 × 68,232,711
  4. Step 4: Simplify right side
    123,236,856.12x = 11,604,485,582,292,276
  5. Step 5: Solve for x
    x = 11,604,485,582,292,276/123,236,856.12
  6. Step 6: Final answer
    x = 94,164,083.28

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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.