Home / 55,178,472.88-76,146,306.96-31,987,097.20

Finding the Fourth Proportional to 55,178,472.88, 76,146,306.96 and 31,987,097.20

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Solution

The fourth proportional to 55,178,472.88, 76,146,306.96 and 31,987,097.20 is: 44,142,202.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,178,472.88 : 76,146,306.96 = 31,987,097.20 : x
  2. Step 2: Convert to fraction form
    55,178,472.88/76,146,306.96 = 31,987,097.20/x
  3. Step 3: Cross multiply
    55,178,472.88x = 76,146,306.96 × 31,987,097.20
  4. Step 4: Simplify right side
    55,178,472.88x = 2,435,699,322,150,556
  5. Step 5: Solve for x
    x = 2,435,699,322,150,556/55,178,472.88
  6. Step 6: Final answer
    x = 44,142,202.48

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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.