Home / 81,671,635.80-122,472,024.30-27,063,120.60

Finding the Fourth Proportional to 81,671,635.80, 122,472,024.30 and 27,063,120.60

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Solution

The fourth proportional to 81,671,635.80, 122,472,024.30 and 27,063,120.60 is: 40,582,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,671,635.80 : 122,472,024.30 = 27,063,120.60 : x
  2. Step 2: Convert to fraction form
    81,671,635.80/122,472,024.30 = 27,063,120.60/x
  3. Step 3: Cross multiply
    81,671,635.80x = 122,472,024.30 × 27,063,120.60
  4. Step 4: Simplify right side
    81,671,635.80x = 3,314,475,163,757,030.50
  5. Step 5: Solve for x
    x = 3,314,475,163,757,030.50/81,671,635.80
  6. Step 6: Final answer
    x = 40,582,940.84

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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.