Home / 299,563,670.80-449,345,506.20-245,144,112.40

Finding the Fourth Proportional to 299,563,670.80, 449,345,506.20 and 245,144,112.40

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Solution

The fourth proportional to 299,563,670.80, 449,345,506.20 and 245,144,112.40 is: 367,716,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,563,670.80 : 449,345,506.20 = 245,144,112.40 : x
  2. Step 2: Convert to fraction form
    299,563,670.80/449,345,506.20 = 245,144,112.40/x
  3. Step 3: Cross multiply
    299,563,670.80x = 449,345,506.20 × 245,144,112.40
  4. Step 4: Simplify right side
    299,563,670.80x = 110,154,405,278,327,696
  5. Step 5: Solve for x
    x = 110,154,405,278,327,696/299,563,670.80
  6. Step 6: Final answer
    x = 367,716,168.60

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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.