Home / 74,419,586.40-111,629,379.60-19,832,066.40

Finding the Fourth Proportional to 74,419,586.40, 111,629,379.60 and 19,832,066.40

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Solution

The fourth proportional to 74,419,586.40, 111,629,379.60 and 19,832,066.40 is: 29,748,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,419,586.40 : 111,629,379.60 = 19,832,066.40 : x
  2. Step 2: Convert to fraction form
    74,419,586.40/111,629,379.60 = 19,832,066.40/x
  3. Step 3: Cross multiply
    74,419,586.40x = 111,629,379.60 × 19,832,066.40
  4. Step 4: Simplify right side
    74,419,586.40x = 2,213,841,268,418,005.25
  5. Step 5: Solve for x
    x = 2,213,841,268,418,005.25/74,419,586.40
  6. Step 6: Final answer
    x = 29,748,099.60

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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.