Home / 201,854,294.58-278,559,048.56-109,034,843.43

Finding the Fourth Proportional to 201,854,294.58, 278,559,048.56 and 109,034,843.43

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Solution

The fourth proportional to 201,854,294.58, 278,559,048.56 and 109,034,843.43 is: 150,468,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,854,294.58 : 278,559,048.56 = 109,034,843.43 : x
  2. Step 2: Convert to fraction form
    201,854,294.58/278,559,048.56 = 109,034,843.43/x
  3. Step 3: Cross multiply
    201,854,294.58x = 278,559,048.56 × 109,034,843.43
  4. Step 4: Simplify right side
    201,854,294.58x = 30,372,642,245,204,196
  5. Step 5: Solve for x
    x = 30,372,642,245,204,196/201,854,294.58
  6. Step 6: Final answer
    x = 150,468,149.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.