Home / 201,854,304.52-278,559,062.30-109,034,853.37

Finding the Fourth Proportional to 201,854,304.52, 278,559,062.30 and 109,034,853.37

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Solution

The fourth proportional to 201,854,304.52, 278,559,062.30 and 109,034,853.37 is: 150,468,163.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,854,304.52 : 278,559,062.30 = 109,034,853.37 : x
  2. Step 2: Convert to fraction form
    201,854,304.52/278,559,062.30 = 109,034,853.37/x
  3. Step 3: Cross multiply
    201,854,304.52x = 278,559,062.30 × 109,034,853.37
  4. Step 4: Simplify right side
    201,854,304.52x = 30,372,646,512,341,388
  5. Step 5: Solve for x
    x = 30,372,646,512,341,388/201,854,304.52
  6. Step 6: Final answer
    x = 150,468,163.58

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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.