Home / 57,273,732.72-85,918,669.38-18,399,149.46

Finding the Fourth Proportional to 57,273,732.72, 85,918,669.38 and 18,399,149.46

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Solution

The fourth proportional to 57,273,732.72, 85,918,669.38 and 18,399,149.46 is: 27,601,316.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,273,732.72 : 85,918,669.38 = 18,399,149.46 : x
  2. Step 2: Convert to fraction form
    57,273,732.72/85,918,669.38 = 18,399,149.46/x
  3. Step 3: Cross multiply
    57,273,732.72x = 85,918,669.38 × 18,399,149.46
  4. Step 4: Simplify right side
    57,273,732.72x = 1,580,830,439,326,945.50
  5. Step 5: Solve for x
    x = 1,580,830,439,326,945.50/57,273,732.72
  6. Step 6: Final answer
    x = 27,601,316.77

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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.