Home / 178,846,269.76-268,269,370.08-76,543,969.60

Finding the Fourth Proportional to 178,846,269.76, 268,269,370.08 and 76,543,969.60

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Solution

The fourth proportional to 178,846,269.76, 268,269,370.08 and 76,543,969.60 is: 114,815,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,846,269.76 : 268,269,370.08 = 76,543,969.60 : x
  2. Step 2: Convert to fraction form
    178,846,269.76/268,269,370.08 = 76,543,969.60/x
  3. Step 3: Cross multiply
    178,846,269.76x = 268,269,370.08 × 76,543,969.60
  4. Step 4: Simplify right side
    178,846,269.76x = 20,534,402,508,014,668
  5. Step 5: Solve for x
    x = 20,534,402,508,014,668/178,846,269.76
  6. Step 6: Final answer
    x = 114,815,939.61

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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.