Home / 54,111,957.54-81,166,753.90-13,171,612.78

Finding the Fourth Proportional to 54,111,957.54, 81,166,753.90 and 13,171,612.78

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Solution

The fourth proportional to 54,111,957.54, 81,166,753.90 and 13,171,612.78 is: 19,757,131.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,111,957.54 : 81,166,753.90 = 13,171,612.78 : x
  2. Step 2: Convert to fraction form
    54,111,957.54/81,166,753.90 = 13,171,612.78/x
  3. Step 3: Cross multiply
    54,111,957.54x = 81,166,753.90 × 13,171,612.78
  4. Step 4: Simplify right side
    54,111,957.54x = 1,069,097,052,980,354.88
  5. Step 5: Solve for x
    x = 1,069,097,052,980,354.88/54,111,957.54
  6. Step 6: Final answer
    x = 19,757,131.35

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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.