Home / 291,226,147.20-436,839,220.80-245,309,644.80

Finding the Fourth Proportional to 291,226,147.20, 436,839,220.80 and 245,309,644.80

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Solution

The fourth proportional to 291,226,147.20, 436,839,220.80 and 245,309,644.80 is: 367,964,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,226,147.20 : 436,839,220.80 = 245,309,644.80 : x
  2. Step 2: Convert to fraction form
    291,226,147.20/436,839,220.80 = 245,309,644.80/x
  3. Step 3: Cross multiply
    291,226,147.20x = 436,839,220.80 × 245,309,644.80
  4. Step 4: Simplify right side
    291,226,147.20x = 107,160,874,089,156,784
  5. Step 5: Solve for x
    x = 107,160,874,089,156,784/291,226,147.20
  6. Step 6: Final answer
    x = 367,964,467.20

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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.