Home / 269,127,708.86-371,396,380.56-145,368,385.76

Finding the Fourth Proportional to 269,127,708.86, 371,396,380.56 and 145,368,385.76

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Solution

The fourth proportional to 269,127,708.86, 371,396,380.56 and 145,368,385.76 is: 200,608,449.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,127,708.86 : 371,396,380.56 = 145,368,385.76 : x
  2. Step 2: Convert to fraction form
    269,127,708.86/371,396,380.56 = 145,368,385.76/x
  3. Step 3: Cross multiply
    269,127,708.86x = 371,396,380.56 × 145,368,385.76
  4. Step 4: Simplify right side
    269,127,708.86x = 53,989,292,319,113,840
  5. Step 5: Solve for x
    x = 53,989,292,319,113,840/269,127,708.86
  6. Step 6: Final answer
    x = 200,608,449.23

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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.