Home / 309,715,650.89-464,573,476.25-115,642,222.19

Finding the Fourth Proportional to 309,715,650.89, 464,573,476.25 and 115,642,222.19

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Solution

The fourth proportional to 309,715,650.89, 464,573,476.25 and 115,642,222.19 is: 173,463,333.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,715,650.89 : 464,573,476.25 = 115,642,222.19 : x
  2. Step 2: Convert to fraction form
    309,715,650.89/464,573,476.25 = 115,642,222.19/x
  3. Step 3: Cross multiply
    309,715,650.89x = 464,573,476.25 × 115,642,222.19
  4. Step 4: Simplify right side
    309,715,650.89x = 53,724,309,163,504,976
  5. Step 5: Solve for x
    x = 53,724,309,163,504,976/309,715,650.89
  6. Step 6: Final answer
    x = 173,463,333.25

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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.