Home / 161,625,344.10-242,590,231.35-85,003,361.70

Finding the Fourth Proportional to 161,625,344.10, 242,590,231.35 and 85,003,361.70

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Solution

The fourth proportional to 161,625,344.10, 242,590,231.35 and 85,003,361.70 is: 127,585,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,625,344.10 : 242,590,231.35 = 85,003,361.70 : x
  2. Step 2: Convert to fraction form
    161,625,344.10/242,590,231.35 = 85,003,361.70/x
  3. Step 3: Cross multiply
    161,625,344.10x = 242,590,231.35 × 85,003,361.70
  4. Step 4: Simplify right side
    161,625,344.10x = 20,620,985,180,330,728
  5. Step 5: Solve for x
    x = 20,620,985,180,330,728/161,625,344.10
  6. Step 6: Final answer
    x = 127,585,096.85

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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.