Home / 123,364,182.28-170,242,112.82-68,359,994.92

Finding the Fourth Proportional to 123,364,182.28, 170,242,112.82 and 68,359,994.92

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Solution

The fourth proportional to 123,364,182.28, 170,242,112.82 and 68,359,994.92 is: 94,336,538.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,364,182.28 : 170,242,112.82 = 68,359,994.92 : x
  2. Step 2: Convert to fraction form
    123,364,182.28/170,242,112.82 = 68,359,994.92/x
  3. Step 3: Cross multiply
    123,364,182.28x = 170,242,112.82 × 68,359,994.92
  4. Step 4: Simplify right side
    123,364,182.28x = 11,637,749,967,545,266
  5. Step 5: Solve for x
    x = 11,637,749,967,545,266/123,364,182.28
  6. Step 6: Final answer
    x = 94,336,538.79

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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.