Home / 121,384,018.23-167,525,287.03-79,603,233.98

Finding the Fourth Proportional to 121,384,018.23, 167,525,287.03 and 79,603,233.98

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Solution

The fourth proportional to 121,384,018.23, 167,525,287.03 and 79,603,233.98 is: 109,862,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,384,018.23 : 167,525,287.03 = 79,603,233.98 : x
  2. Step 2: Convert to fraction form
    121,384,018.23/167,525,287.03 = 79,603,233.98/x
  3. Step 3: Cross multiply
    121,384,018.23x = 167,525,287.03 × 79,603,233.98
  4. Step 4: Simplify right side
    121,384,018.23x = 13,335,554,620,178,122
  5. Step 5: Solve for x
    x = 13,335,554,620,178,122/121,384,018.23
  6. Step 6: Final answer
    x = 109,862,524.04

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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.