Home / 209,177,298.06-313,962,528.02-109,538,456.51

Finding the Fourth Proportional to 209,177,298.06, 313,962,528.02 and 109,538,456.51

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Solution

The fourth proportional to 209,177,298.06, 313,962,528.02 and 109,538,456.51 is: 164,410,626.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,177,298.06 : 313,962,528.02 = 109,538,456.51 : x
  2. Step 2: Convert to fraction form
    209,177,298.06/313,962,528.02 = 109,538,456.51/x
  3. Step 3: Cross multiply
    209,177,298.06x = 313,962,528.02 × 109,538,456.51
  4. Step 4: Simplify right side
    209,177,298.06x = 34,390,970,719,170,920
  5. Step 5: Solve for x
    x = 34,390,970,719,170,920/209,177,298.06
  6. Step 6: Final answer
    x = 164,410,626.96

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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.