Home / 298,727,136.86-447,835,122.74-114,626,728.31

Finding the Fourth Proportional to 298,727,136.86, 447,835,122.74 and 114,626,728.31

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Solution

The fourth proportional to 298,727,136.86, 447,835,122.74 and 114,626,728.31 is: 171,842,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,727,136.86 : 447,835,122.74 = 114,626,728.31 : x
  2. Step 2: Convert to fraction form
    298,727,136.86/447,835,122.74 = 114,626,728.31/x
  3. Step 3: Cross multiply
    298,727,136.86x = 447,835,122.74 × 114,626,728.31
  4. Step 4: Simplify right side
    298,727,136.86x = 51,333,874,940,040,880
  5. Step 5: Solve for x
    x = 51,333,874,940,040,880/298,727,136.86
  6. Step 6: Final answer
    x = 171,842,021.05

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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.