Home / 227,083,913.32-313,375,926.32-122,661,985.20

Finding the Fourth Proportional to 227,083,913.32, 313,375,926.32 and 122,661,985.20

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Solution

The fourth proportional to 227,083,913.32, 313,375,926.32 and 122,661,985.20 is: 169,273,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,083,913.32 : 313,375,926.32 = 122,661,985.20 : x
  2. Step 2: Convert to fraction form
    227,083,913.32/313,375,926.32 = 122,661,985.20/x
  3. Step 3: Cross multiply
    227,083,913.32x = 313,375,926.32 × 122,661,985.20
  4. Step 4: Simplify right side
    227,083,913.32x = 38,439,313,236,300,128
  5. Step 5: Solve for x
    x = 38,439,313,236,300,128/227,083,913.32
  6. Step 6: Final answer
    x = 169,273,607.60

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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.