Home / 263,356,789.14-395,034,055.47-66,622,064.58

Finding the Fourth Proportional to 263,356,789.14, 395,034,055.47 and 66,622,064.58

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Solution

The fourth proportional to 263,356,789.14, 395,034,055.47 and 66,622,064.58 is: 99,932,811.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,356,789.14 : 395,034,055.47 = 66,622,064.58 : x
  2. Step 2: Convert to fraction form
    263,356,789.14/395,034,055.47 = 66,622,064.58/x
  3. Step 3: Cross multiply
    263,356,789.14x = 395,034,055.47 × 66,622,064.58
  4. Step 4: Simplify right side
    263,356,789.14x = 26,317,984,354,821,644
  5. Step 5: Solve for x
    x = 26,317,984,354,821,644/263,356,789.14
  6. Step 6: Final answer
    x = 99,932,811.46

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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.