Home / 78,443,242.44-117,665,386.38-27,326,229

Finding the Fourth Proportional to 78,443,242.44, 117,665,386.38 and 27,326,229

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Solution

The fourth proportional to 78,443,242.44, 117,665,386.38 and 27,326,229 is: 40,989,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,443,242.44 : 117,665,386.38 = 27,326,229 : x
  2. Step 2: Convert to fraction form
    78,443,242.44/117,665,386.38 = 27,326,229/x
  3. Step 3: Cross multiply
    78,443,242.44x = 117,665,386.38 × 27,326,229
  4. Step 4: Simplify right side
    78,443,242.44x = 3,215,351,293,593,361
  5. Step 5: Solve for x
    x = 3,215,351,293,593,361/78,443,242.44
  6. Step 6: Final answer
    x = 40,989,525.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.