Home / 199,640,538.60-298,956,923.10-131,112,205.80

Finding the Fourth Proportional to 199,640,538.60, 298,956,923.10 and 131,112,205.80

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Solution

The fourth proportional to 199,640,538.60, 298,956,923.10 and 131,112,205.80 is: 196,337,386.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,640,538.60 : 298,956,923.10 = 131,112,205.80 : x
  2. Step 2: Convert to fraction form
    199,640,538.60/298,956,923.10 = 131,112,205.80/x
  3. Step 3: Cross multiply
    199,640,538.60x = 298,956,923.10 × 131,112,205.80
  4. Step 4: Simplify right side
    199,640,538.60x = 39,196,901,626,821,976
  5. Step 5: Solve for x
    x = 39,196,901,626,821,976/199,640,538.60
  6. Step 6: Final answer
    x = 196,337,386.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.