Home / 81,372,915.54-122,060,324.66-23,866,341.03

Finding the Fourth Proportional to 81,372,915.54, 122,060,324.66 and 23,866,341.03

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Solution

The fourth proportional to 81,372,915.54, 122,060,324.66 and 23,866,341.03 is: 35,799,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,372,915.54 : 122,060,324.66 = 23,866,341.03 : x
  2. Step 2: Convert to fraction form
    81,372,915.54/122,060,324.66 = 23,866,341.03/x
  3. Step 3: Cross multiply
    81,372,915.54x = 122,060,324.66 × 23,866,341.03
  4. Step 4: Simplify right side
    81,372,915.54x = 2,913,133,334,448,747.50
  5. Step 5: Solve for x
    x = 2,913,133,334,448,747.50/81,372,915.54
  6. Step 6: Final answer
    x = 35,799,790.57

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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.