Home / 203,913,676.40-305,870,514.60-67,599,059.90

Finding the Fourth Proportional to 203,913,676.40, 305,870,514.60 and 67,599,059.90

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Solution

The fourth proportional to 203,913,676.40, 305,870,514.60 and 67,599,059.90 is: 101,398,589.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,913,676.40 : 305,870,514.60 = 67,599,059.90 : x
  2. Step 2: Convert to fraction form
    203,913,676.40/305,870,514.60 = 67,599,059.90/x
  3. Step 3: Cross multiply
    203,913,676.40x = 305,870,514.60 × 67,599,059.90
  4. Step 4: Simplify right side
    203,913,676.40x = 20,676,559,238,089,228
  5. Step 5: Solve for x
    x = 20,676,559,238,089,228/203,913,676.40
  6. Step 6: Final answer
    x = 101,398,589.85

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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.