Home / 65,228,959.34-90,016,021.78-35,860,791.56

Finding the Fourth Proportional to 65,228,959.34, 90,016,021.78 and 35,860,791.56

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Solution

The fourth proportional to 65,228,959.34, 90,016,021.78 and 35,860,791.56 is: 49,487,924.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,228,959.34 : 90,016,021.78 = 35,860,791.56 : x
  2. Step 2: Convert to fraction form
    65,228,959.34/90,016,021.78 = 35,860,791.56/x
  3. Step 3: Cross multiply
    65,228,959.34x = 90,016,021.78 × 35,860,791.56
  4. Step 4: Simplify right side
    65,228,959.34x = 3,228,045,794,113,000.50
  5. Step 5: Solve for x
    x = 3,228,045,794,113,000.50/65,228,959.34
  6. Step 6: Final answer
    x = 49,487,924.18

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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.