Home / 121,192,783.23-167,247,111.03-68,985,180.93

Finding the Fourth Proportional to 121,192,783.23, 167,247,111.03 and 68,985,180.93

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Solution

The fourth proportional to 121,192,783.23, 167,247,111.03 and 68,985,180.93 is: 95,200,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,192,783.23 : 167,247,111.03 = 68,985,180.93 : x
  2. Step 2: Convert to fraction form
    121,192,783.23/167,247,111.03 = 68,985,180.93/x
  3. Step 3: Cross multiply
    121,192,783.23x = 167,247,111.03 × 68,985,180.93
  4. Step 4: Simplify right side
    121,192,783.23x = 11,537,572,214,424,350
  5. Step 5: Solve for x
    x = 11,537,572,214,424,350/121,192,783.23
  6. Step 6: Final answer
    x = 95,200,158.85

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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.