Home / 85,467,047.84-117,985,192.26-57,257,993.41

Finding the Fourth Proportional to 85,467,047.84, 117,985,192.26 and 57,257,993.41

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Solution

The fourth proportional to 85,467,047.84, 117,985,192.26 and 57,257,993.41 is: 79,043,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,467,047.84 : 117,985,192.26 = 57,257,993.41 : x
  2. Step 2: Convert to fraction form
    85,467,047.84/117,985,192.26 = 57,257,993.41/x
  3. Step 3: Cross multiply
    85,467,047.84x = 117,985,192.26 × 57,257,993.41
  4. Step 4: Simplify right side
    85,467,047.84x = 6,755,595,360,713,345
  5. Step 5: Solve for x
    x = 6,755,595,360,713,345/85,467,047.84
  6. Step 6: Final answer
    x = 79,043,274.94

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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.