Home / 84,939,131.50-117,202,301.42-47,767,194.95

Finding the Fourth Proportional to 84,939,131.50, 117,202,301.42 and 47,767,194.95

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Solution

The fourth proportional to 84,939,131.50, 117,202,301.42 and 47,767,194.95 is: 65,911,024.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,939,131.50 : 117,202,301.42 = 47,767,194.95 : x
  2. Step 2: Convert to fraction form
    84,939,131.50/117,202,301.42 = 47,767,194.95/x
  3. Step 3: Cross multiply
    84,939,131.50x = 117,202,301.42 × 47,767,194.95
  4. Step 4: Simplify right side
    84,939,131.50x = 5,598,425,179,692,955
  5. Step 5: Solve for x
    x = 5,598,425,179,692,955/84,939,131.50
  6. Step 6: Final answer
    x = 65,911,024.53

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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.