Home / 209,736,232.54-289,470,093.69-126,188,808.46

Finding the Fourth Proportional to 209,736,232.54, 289,470,093.69 and 126,188,808.46

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Solution

The fourth proportional to 209,736,232.54, 289,470,093.69 and 126,188,808.46 is: 174,161,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,736,232.54 : 289,470,093.69 = 126,188,808.46 : x
  2. Step 2: Convert to fraction form
    209,736,232.54/289,470,093.69 = 126,188,808.46/x
  3. Step 3: Cross multiply
    209,736,232.54x = 289,470,093.69 × 126,188,808.46
  4. Step 4: Simplify right side
    209,736,232.54x = 36,527,886,207,545,664
  5. Step 5: Solve for x
    x = 36,527,886,207,545,664/209,736,232.54
  6. Step 6: Final answer
    x = 174,161,067.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.