Home / 57,496,610.52-79,344,911.72-31,391,127.54

Finding the Fourth Proportional to 57,496,610.52, 79,344,911.72 and 31,391,127.54

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Solution

The fourth proportional to 57,496,610.52, 79,344,911.72 and 31,391,127.54 is: 43,319,531.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,496,610.52 : 79,344,911.72 = 31,391,127.54 : x
  2. Step 2: Convert to fraction form
    57,496,610.52/79,344,911.72 = 31,391,127.54/x
  3. Step 3: Cross multiply
    57,496,610.52x = 79,344,911.72 × 31,391,127.54
  4. Step 4: Simplify right side
    57,496,610.52x = 2,490,726,243,452,560.50
  5. Step 5: Solve for x
    x = 2,490,726,243,452,560.50/57,496,610.52
  6. Step 6: Final answer
    x = 43,319,531.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.