Home / 81,864,007.10-122,796,010.66-81,864,007.10

Finding the Fourth Proportional to 81,864,007.10, 122,796,010.66 and 81,864,007.10

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Solution

The fourth proportional to 81,864,007.10, 122,796,010.66 and 81,864,007.10 is: 122,796,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,864,007.10 : 122,796,010.66 = 81,864,007.10 : x
  2. Step 2: Convert to fraction form
    81,864,007.10/122,796,010.66 = 81,864,007.10/x
  3. Step 3: Cross multiply
    81,864,007.10x = 122,796,010.66 × 81,864,007.10
  4. Step 4: Simplify right side
    81,864,007.10x = 10,052,573,488,521,914
  5. Step 5: Solve for x
    x = 10,052,573,488,521,914/81,864,007.10
  6. Step 6: Final answer
    x = 122,796,010.66

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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.