Home / 55,743,146.88-76,925,542.69-31,297,385.76

Finding the Fourth Proportional to 55,743,146.88, 76,925,542.69 and 31,297,385.76

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Solution

The fourth proportional to 55,743,146.88, 76,925,542.69 and 31,297,385.76 is: 43,190,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,743,146.88 : 76,925,542.69 = 31,297,385.76 : x
  2. Step 2: Convert to fraction form
    55,743,146.88/76,925,542.69 = 31,297,385.76/x
  3. Step 3: Cross multiply
    55,743,146.88x = 76,925,542.69 × 31,297,385.76
  4. Step 4: Simplify right side
    55,743,146.88x = 2,407,568,384,366,278
  5. Step 5: Solve for x
    x = 2,407,568,384,366,278/55,743,146.88
  6. Step 6: Final answer
    x = 43,190,392.35

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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.