Home / 54,328,669.10-81,465,010.05-20,232,464.30

Finding the Fourth Proportional to 54,328,669.10, 81,465,010.05 and 20,232,464.30

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Solution

The fourth proportional to 54,328,669.10, 81,465,010.05 and 20,232,464.30 is: 30,338,271.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328,669.10 : 81,465,010.05 = 20,232,464.30 : x
  2. Step 2: Convert to fraction form
    54,328,669.10/81,465,010.05 = 20,232,464.30/x
  3. Step 3: Cross multiply
    54,328,669.10x = 81,465,010.05 × 20,232,464.30
  4. Step 4: Simplify right side
    54,328,669.10x = 1,648,237,907,535,766.25
  5. Step 5: Solve for x
    x = 1,648,237,907,535,766.25/54,328,669.10
  6. Step 6: Final answer
    x = 30,338,271.39

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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.