Home / 54,652,500.55-81,993,108.52-19,641,149.78

Finding the Fourth Proportional to 54,652,500.55, 81,993,108.52 and 19,641,149.78

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Solution

The fourth proportional to 54,652,500.55, 81,993,108.52 and 19,641,149.78 is: 29,466,884.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,652,500.55 : 81,993,108.52 = 19,641,149.78 : x
  2. Step 2: Convert to fraction form
    54,652,500.55/81,993,108.52 = 19,641,149.78/x
  3. Step 3: Cross multiply
    54,652,500.55x = 81,993,108.52 × 19,641,149.78
  4. Step 4: Simplify right side
    54,652,500.55x = 1,610,438,925,369,114.25
  5. Step 5: Solve for x
    x = 1,610,438,925,369,114.25/54,652,500.55
  6. Step 6: Final answer
    x = 29,466,884.57

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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.