Home / 113,103,418.80-169,655,128.20-55,707,790.80

Finding the Fourth Proportional to 113,103,418.80, 169,655,128.20 and 55,707,790.80

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Solution

The fourth proportional to 113,103,418.80, 169,655,128.20 and 55,707,790.80 is: 83,561,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,103,418.80 : 169,655,128.20 = 55,707,790.80 : x
  2. Step 2: Convert to fraction form
    113,103,418.80/169,655,128.20 = 55,707,790.80/x
  3. Step 3: Cross multiply
    113,103,418.80x = 169,655,128.20 × 55,707,790.80
  4. Step 4: Simplify right side
    113,103,418.80x = 9,451,112,389,912,780
  5. Step 5: Solve for x
    x = 9,451,112,389,912,780/113,103,418.80
  6. Step 6: Final answer
    x = 83,561,686.20

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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.