Home / 209,416,491.60-313,716,081.92-163,141,686.88

Finding the Fourth Proportional to 209,416,491.60, 313,716,081.92 and 163,141,686.88

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Solution

The fourth proportional to 209,416,491.60, 313,716,081.92 and 163,141,686.88 is: 244,394,175.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,416,491.60 : 313,716,081.92 = 163,141,686.88 : x
  2. Step 2: Convert to fraction form
    209,416,491.60/313,716,081.92 = 163,141,686.88/x
  3. Step 3: Cross multiply
    209,416,491.60x = 313,716,081.92 × 163,141,686.88
  4. Step 4: Simplify right side
    209,416,491.60x = 51,180,170,805,813,072
  5. Step 5: Solve for x
    x = 51,180,170,805,813,072/209,416,491.60
  6. Step 6: Final answer
    x = 244,394,175.52

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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.