Home / 123,236,418.68-170,071,572.12-68,232,275

Finding the Fourth Proportional to 123,236,418.68, 170,071,572.12 and 68,232,275

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Solution

The fourth proportional to 123,236,418.68, 170,071,572.12 and 68,232,275 is: 94,163,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,236,418.68 : 170,071,572.12 = 68,232,275 : x
  2. Step 2: Convert to fraction form
    123,236,418.68/170,071,572.12 = 68,232,275/x
  3. Step 3: Cross multiply
    123,236,418.68x = 170,071,572.12 × 68,232,275
  4. Step 4: Simplify right side
    123,236,418.68x = 11,604,370,278,574,174
  5. Step 5: Solve for x
    x = 11,604,370,278,574,174/123,236,418.68
  6. Step 6: Final answer
    x = 94,163,481.89

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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.