Home / 84,655,665.74-126,969,906.41-23,230,479.31

Finding the Fourth Proportional to 84,655,665.74, 126,969,906.41 and 23,230,479.31

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Solution

The fourth proportional to 84,655,665.74, 126,969,906.41 and 23,230,479.31 is: 34,841,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,655,665.74 : 126,969,906.41 = 23,230,479.31 : x
  2. Step 2: Convert to fraction form
    84,655,665.74/126,969,906.41 = 23,230,479.31/x
  3. Step 3: Cross multiply
    84,655,665.74x = 126,969,906.41 × 23,230,479.31
  4. Step 4: Simplify right side
    84,655,665.74x = 2,949,571,783,503,678.50
  5. Step 5: Solve for x
    x = 2,949,571,783,503,678.50/84,655,665.74
  6. Step 6: Final answer
    x = 34,841,989.11

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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.