Home / 231,990,611.76-320,155,262.28-127,576,627.92

Finding the Fourth Proportional to 231,990,611.76, 320,155,262.28 and 127,576,627.92

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Solution

The fourth proportional to 231,990,611.76, 320,155,262.28 and 127,576,627.92 is: 176,060,265.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,990,611.76 : 320,155,262.28 = 127,576,627.92 : x
  2. Step 2: Convert to fraction form
    231,990,611.76/320,155,262.28 = 127,576,627.92/x
  3. Step 3: Cross multiply
    231,990,611.76x = 320,155,262.28 × 127,576,627.92
  4. Step 4: Simplify right side
    231,990,611.76x = 40,844,328,772,525,568
  5. Step 5: Solve for x
    x = 40,844,328,772,525,568/231,990,611.76
  6. Step 6: Final answer
    x = 176,060,265.81

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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.