Home / 81,666,383.10-122,145,280.65-73,092,468.30

Finding the Fourth Proportional to 81,666,383.10, 122,145,280.65 and 73,092,468.30

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Solution

The fourth proportional to 81,666,383.10, 122,145,280.65 and 73,092,468.30 is: 109,321,604.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,666,383.10 : 122,145,280.65 = 73,092,468.30 : x
  2. Step 2: Convert to fraction form
    81,666,383.10/122,145,280.65 = 73,092,468.30/x
  3. Step 3: Cross multiply
    81,666,383.10x = 122,145,280.65 × 73,092,468.30
  4. Step 4: Simplify right side
    81,666,383.10x = 8,927,900,053,904,728
  5. Step 5: Solve for x
    x = 8,927,900,053,904,728/81,666,383.10
  6. Step 6: Final answer
    x = 109,321,604.74

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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.