Home / 161,315,718.02-241,972,778.66-139,389,375.20

Finding the Fourth Proportional to 161,315,718.02, 241,972,778.66 and 139,389,375.20

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Solution

The fourth proportional to 161,315,718.02, 241,972,778.66 and 139,389,375.20 is: 209,083,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,315,718.02 : 241,972,778.66 = 139,389,375.20 : x
  2. Step 2: Convert to fraction form
    161,315,718.02/241,972,778.66 = 139,389,375.20/x
  3. Step 3: Cross multiply
    161,315,718.02x = 241,972,778.66 × 139,389,375.20
  4. Step 4: Simplify right side
    161,315,718.02x = 33,728,434,433,510,580
  5. Step 5: Solve for x
    x = 33,728,434,433,510,580/161,315,718.02
  6. Step 6: Final answer
    x = 209,083,372.95

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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.