Home / 56,147,930.80-84,221,896.20-15,758,414.80

Finding the Fourth Proportional to 56,147,930.80, 84,221,896.20 and 15,758,414.80

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Solution

The fourth proportional to 56,147,930.80, 84,221,896.20 and 15,758,414.80 is: 23,637,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,147,930.80 : 84,221,896.20 = 15,758,414.80 : x
  2. Step 2: Convert to fraction form
    56,147,930.80/84,221,896.20 = 15,758,414.80/x
  3. Step 3: Cross multiply
    56,147,930.80x = 84,221,896.20 × 15,758,414.80
  4. Step 4: Simplify right side
    56,147,930.80x = 1,327,203,575,562,143.75
  5. Step 5: Solve for x
    x = 1,327,203,575,562,143.75/56,147,930.80
  6. Step 6: Final answer
    x = 23,637,622.20

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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.