Home / 123,236,356.50-170,071,486.38-68,232,213

Finding the Fourth Proportional to 123,236,356.50, 170,071,486.38 and 68,232,213

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Solution

The fourth proportional to 123,236,356.50, 170,071,486.38 and 68,232,213 is: 94,163,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,236,356.50 : 170,071,486.38 = 68,232,213 : x
  2. Step 2: Convert to fraction form
    123,236,356.50/170,071,486.38 = 68,232,213/x
  3. Step 3: Cross multiply
    123,236,356.50x = 170,071,486.38 × 68,232,213
  4. Step 4: Simplify right side
    123,236,356.50x = 11,604,353,883,906,758
  5. Step 5: Solve for x
    x = 11,604,353,883,906,758/123,236,356.50
  6. Step 6: Final answer
    x = 94,163,396.37

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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.