Home / 55,049,801.85-75,970,915.47-30,272,020.11

Finding the Fourth Proportional to 55,049,801.85, 75,970,915.47 and 30,272,020.11

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Solution

The fourth proportional to 55,049,801.85, 75,970,915.47 and 30,272,020.11 is: 41,776,591.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,049,801.85 : 75,970,915.47 = 30,272,020.11 : x
  2. Step 2: Convert to fraction form
    55,049,801.85/75,970,915.47 = 30,272,020.11/x
  3. Step 3: Cross multiply
    55,049,801.85x = 75,970,915.47 × 30,272,020.11
  4. Step 4: Simplify right side
    55,049,801.85x = 2,299,793,080,882,950
  5. Step 5: Solve for x
    x = 2,299,793,080,882,950/55,049,801.85
  6. Step 6: Final answer
    x = 41,776,591.44

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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.