Home / 122,200,389.04-168,399,738.60-101,322,729.40

Finding the Fourth Proportional to 122,200,389.04, 168,399,738.60 and 101,322,729.40

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Solution

The fourth proportional to 122,200,389.04, 168,399,738.60 and 101,322,729.40 is: 139,629,024.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,200,389.04 : 168,399,738.60 = 101,322,729.40 : x
  2. Step 2: Convert to fraction form
    122,200,389.04/168,399,738.60 = 101,322,729.40/x
  3. Step 3: Cross multiply
    122,200,389.04x = 168,399,738.60 × 101,322,729.40
  4. Step 4: Simplify right side
    122,200,389.04x = 17,062,721,145,198,536
  5. Step 5: Solve for x
    x = 17,062,721,145,198,536/122,200,389.04
  6. Step 6: Final answer
    x = 139,629,024.75

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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.