Home / 54,928,083.20-82,392,124.80-31,938,339.20

Finding the Fourth Proportional to 54,928,083.20, 82,392,124.80 and 31,938,339.20

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Solution

The fourth proportional to 54,928,083.20, 82,392,124.80 and 31,938,339.20 is: 47,907,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,928,083.20 : 82,392,124.80 = 31,938,339.20 : x
  2. Step 2: Convert to fraction form
    54,928,083.20/82,392,124.80 = 31,938,339.20/x
  3. Step 3: Cross multiply
    54,928,083.20x = 82,392,124.80 × 31,938,339.20
  4. Step 4: Simplify right side
    54,928,083.20x = 2,631,467,629,271,132
  5. Step 5: Solve for x
    x = 2,631,467,629,271,132/54,928,083.20
  6. Step 6: Final answer
    x = 47,907,508.80

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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.