Home / 54,111,974.64-81,166,779.36-13,171,629.84

Finding the Fourth Proportional to 54,111,974.64, 81,166,779.36 and 13,171,629.84

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Solution

The fourth proportional to 54,111,974.64, 81,166,779.36 and 13,171,629.84 is: 19,757,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,111,974.64 : 81,166,779.36 = 13,171,629.84 : x
  2. Step 2: Convert to fraction form
    54,111,974.64/81,166,779.36 = 13,171,629.84/x
  3. Step 3: Cross multiply
    54,111,974.64x = 81,166,779.36 × 13,171,629.84
  4. Step 4: Simplify right side
    54,111,974.64x = 1,069,098,773,034,872.12
  5. Step 5: Solve for x
    x = 1,069,098,773,034,872.12/54,111,974.64
  6. Step 6: Final answer
    x = 19,757,156.90

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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.