Home / 209,077,375.30-313,616,062.95-127,448,037.70

Finding the Fourth Proportional to 209,077,375.30, 313,616,062.95 and 127,448,037.70

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Solution

The fourth proportional to 209,077,375.30, 313,616,062.95 and 127,448,037.70 is: 191,172,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,077,375.30 : 313,616,062.95 = 127,448,037.70 : x
  2. Step 2: Convert to fraction form
    209,077,375.30/313,616,062.95 = 127,448,037.70/x
  3. Step 3: Cross multiply
    209,077,375.30x = 313,616,062.95 × 127,448,037.70
  4. Step 4: Simplify right side
    209,077,375.30x = 39,969,751,814,177,176
  5. Step 5: Solve for x
    x = 39,969,751,814,177,176/209,077,375.30
  6. Step 6: Final answer
    x = 191,172,056.55

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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.