Home / 231,720,172.90-325,315,234.70-231,720,172.90

Finding the Fourth Proportional to 231,720,172.90, 325,315,234.70 and 231,720,172.90

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Solution

The fourth proportional to 231,720,172.90, 325,315,234.70 and 231,720,172.90 is: 325,315,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,720,172.90 : 325,315,234.70 = 231,720,172.90 : x
  2. Step 2: Convert to fraction form
    231,720,172.90/325,315,234.70 = 231,720,172.90/x
  3. Step 3: Cross multiply
    231,720,172.90x = 325,315,234.70 × 231,720,172.90
  4. Step 4: Simplify right side
    231,720,172.90x = 75,382,102,431,688,080
  5. Step 5: Solve for x
    x = 75,382,102,431,688,080/231,720,172.90
  6. Step 6: Final answer
    x = 325,315,234.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.