Home / 171,601,244.40-257,401,866.60-102,726,490.80

Finding the Fourth Proportional to 171,601,244.40, 257,401,866.60 and 102,726,490.80

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Solution

The fourth proportional to 171,601,244.40, 257,401,866.60 and 102,726,490.80 is: 154,089,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,601,244.40 : 257,401,866.60 = 102,726,490.80 : x
  2. Step 2: Convert to fraction form
    171,601,244.40/257,401,866.60 = 102,726,490.80/x
  3. Step 3: Cross multiply
    171,601,244.40x = 257,401,866.60 × 102,726,490.80
  4. Step 4: Simplify right side
    171,601,244.40x = 26,441,990,481,187,724
  5. Step 5: Solve for x
    x = 26,441,990,481,187,724/171,601,244.40
  6. Step 6: Final answer
    x = 154,089,736.20

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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.