Home / 54,289,950.54-81,435,493.32-21,508,496.88

Finding the Fourth Proportional to 54,289,950.54, 81,435,493.32 and 21,508,496.88

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Solution

The fourth proportional to 54,289,950.54, 81,435,493.32 and 21,508,496.88 is: 32,262,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,289,950.54 : 81,435,493.32 = 21,508,496.88 : x
  2. Step 2: Convert to fraction form
    54,289,950.54/81,435,493.32 = 21,508,496.88/x
  3. Step 3: Cross multiply
    54,289,950.54x = 81,435,493.32 × 21,508,496.88
  4. Step 4: Simplify right side
    54,289,950.54x = 1,751,555,053,994,480.50
  5. Step 5: Solve for x
    x = 1,751,555,053,994,480.50/54,289,950.54
  6. Step 6: Final answer
    x = 32,262,970.16

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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.