Home / 122,976,747.78-169,707,919.83-67,222,389.03

Finding the Fourth Proportional to 122,976,747.78, 169,707,919.83 and 67,222,389.03

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Solution

The fourth proportional to 122,976,747.78, 169,707,919.83 and 67,222,389.03 is: 92,766,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,976,747.78 : 169,707,919.83 = 67,222,389.03 : x
  2. Step 2: Convert to fraction form
    122,976,747.78/169,707,919.83 = 67,222,389.03/x
  3. Step 3: Cross multiply
    122,976,747.78x = 169,707,919.83 × 67,222,389.03
  4. Step 4: Simplify right side
    122,976,747.78x = 11,408,171,808,284,312
  5. Step 5: Solve for x
    x = 11,408,171,808,284,312/122,976,747.78
  6. Step 6: Final answer
    x = 92,766,901.18

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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.