Home / 122,444,992.74-168,974,091.94-67,440,849.24

Finding the Fourth Proportional to 122,444,992.74, 168,974,091.94 and 67,440,849.24

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Solution

The fourth proportional to 122,444,992.74, 168,974,091.94 and 67,440,849.24 is: 93,068,373.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,444,992.74 : 168,974,091.94 = 67,440,849.24 : x
  2. Step 2: Convert to fraction form
    122,444,992.74/168,974,091.94 = 67,440,849.24/x
  3. Step 3: Cross multiply
    122,444,992.74x = 168,974,091.94 × 67,440,849.24
  4. Step 4: Simplify right side
    122,444,992.74x = 11,395,756,259,991,438
  5. Step 5: Solve for x
    x = 11,395,756,259,991,438/122,444,992.74
  6. Step 6: Final answer
    x = 93,068,373.03

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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.