Home / 122,922,370.16-169,632,522.60-67,917,834.80

Finding the Fourth Proportional to 122,922,370.16, 169,632,522.60 and 67,917,834.80

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Solution

The fourth proportional to 122,922,370.16, 169,632,522.60 and 67,917,834.80 is: 93,726,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,922,370.16 : 169,632,522.60 = 67,917,834.80 : x
  2. Step 2: Convert to fraction form
    122,922,370.16/169,632,522.60 = 67,917,834.80/x
  3. Step 3: Cross multiply
    122,922,370.16x = 169,632,522.60 × 67,917,834.80
  4. Step 4: Simplify right side
    122,922,370.16x = 11,521,073,646,654,066
  5. Step 5: Solve for x
    x = 11,521,073,646,654,066/122,922,370.16
  6. Step 6: Final answer
    x = 93,726,419.62

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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.