Home / 202,989,009.38-280,127,520.33-110,170,629.86

Finding the Fourth Proportional to 202,989,009.38, 280,127,520.33 and 110,170,629.86

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Solution

The fourth proportional to 202,989,009.38, 280,127,520.33 and 110,170,629.86 is: 152,036,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,989,009.38 : 280,127,520.33 = 110,170,629.86 : x
  2. Step 2: Convert to fraction form
    202,989,009.38/280,127,520.33 = 110,170,629.86/x
  3. Step 3: Cross multiply
    202,989,009.38x = 280,127,520.33 × 110,170,629.86
  4. Step 4: Simplify right side
    202,989,009.38x = 30,861,825,355,876,052
  5. Step 5: Solve for x
    x = 30,861,825,355,876,052/202,989,009.38
  6. Step 6: Final answer
    x = 152,036,927.76

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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.