Home / 55,198,968.40-82,798,452.60-54,821,054.80

Finding the Fourth Proportional to 55,198,968.40, 82,798,452.60 and 54,821,054.80

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Solution

The fourth proportional to 55,198,968.40, 82,798,452.60 and 54,821,054.80 is: 82,231,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,198,968.40 : 82,798,452.60 = 54,821,054.80 : x
  2. Step 2: Convert to fraction form
    55,198,968.40/82,798,452.60 = 54,821,054.80/x
  3. Step 3: Cross multiply
    55,198,968.40x = 82,798,452.60 × 54,821,054.80
  4. Step 4: Simplify right side
    55,198,968.40x = 4,539,098,507,339,802
  5. Step 5: Solve for x
    x = 4,539,098,507,339,802/55,198,968.40
  6. Step 6: Final answer
    x = 82,231,582.20

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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.