Home / 85,131,818.84-117,481,907.92-45,973,592.38

Finding the Fourth Proportional to 85,131,818.84, 117,481,907.92 and 45,973,592.38

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Solution

The fourth proportional to 85,131,818.84, 117,481,907.92 and 45,973,592.38 is: 63,443,556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,131,818.84 : 117,481,907.92 = 45,973,592.38 : x
  2. Step 2: Convert to fraction form
    85,131,818.84/117,481,907.92 = 45,973,592.38/x
  3. Step 3: Cross multiply
    85,131,818.84x = 117,481,907.92 × 45,973,592.38
  4. Step 4: Simplify right side
    85,131,818.84x = 5,401,065,347,072,368
  5. Step 5: Solve for x
    x = 5,401,065,347,072,368/85,131,818.84
  6. Step 6: Final answer
    x = 63,443,556.37

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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.