Home / 85,131,838.30-117,481,934.82-45,973,611.84

Finding the Fourth Proportional to 85,131,838.30, 117,481,934.82 and 45,973,611.84

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Solution

The fourth proportional to 85,131,838.30, 117,481,934.82 and 45,973,611.84 is: 63,443,583.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,131,838.30 : 117,481,934.82 = 45,973,611.84 : x
  2. Step 2: Convert to fraction form
    85,131,838.30/117,481,934.82 = 45,973,611.84/x
  3. Step 3: Cross multiply
    85,131,838.30x = 117,481,934.82 × 45,973,611.84
  4. Step 4: Simplify right side
    85,131,838.30x = 5,401,068,869,880,748
  5. Step 5: Solve for x
    x = 5,401,068,869,880,748/85,131,838.30
  6. Step 6: Final answer
    x = 63,443,583.24

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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.