Home / 55,743,040-76,925,395.38-31,297,278.88

Finding the Fourth Proportional to 55,743,040, 76,925,395.38 and 31,297,278.88

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Solution

The fourth proportional to 55,743,040, 76,925,395.38 and 31,297,278.88 is: 43,190,244.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,743,040 : 76,925,395.38 = 31,297,278.88 : x
  2. Step 2: Convert to fraction form
    55,743,040/76,925,395.38 = 31,297,278.88/x
  3. Step 3: Cross multiply
    55,743,040x = 76,925,395.38 × 31,297,278.88
  4. Step 4: Simplify right side
    55,743,040x = 2,407,555,552,162,123.50
  5. Step 5: Solve for x
    x = 2,407,555,552,162,123.50/55,743,040
  6. Step 6: Final answer
    x = 43,190,244.96

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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.