Home / 54,809,477.61-82,162,719.86-18,392,328.17

Finding the Fourth Proportional to 54,809,477.61, 82,162,719.86 and 18,392,328.17

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Solution

The fourth proportional to 54,809,477.61, 82,162,719.86 and 18,392,328.17 is: 27,571,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,809,477.61 : 82,162,719.86 = 18,392,328.17 : x
  2. Step 2: Convert to fraction form
    54,809,477.61/82,162,719.86 = 18,392,328.17/x
  3. Step 3: Cross multiply
    54,809,477.61x = 82,162,719.86 × 18,392,328.17
  4. Step 4: Simplify right side
    54,809,477.61x = 1,511,163,707,118,341.75
  5. Step 5: Solve for x
    x = 1,511,163,707,118,341.75/54,809,477.61
  6. Step 6: Final answer
    x = 27,571,211.64

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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.