Home / 299,528,576.20-449,080,287.90-115,224,837.40

Finding the Fourth Proportional to 299,528,576.20, 449,080,287.90 and 115,224,837.40

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Solution

The fourth proportional to 299,528,576.20, 449,080,287.90 and 115,224,837.40 is: 172,755,480.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,528,576.20 : 449,080,287.90 = 115,224,837.40 : x
  2. Step 2: Convert to fraction form
    299,528,576.20/449,080,287.90 = 115,224,837.40/x
  3. Step 3: Cross multiply
    299,528,576.20x = 449,080,287.90 × 115,224,837.40
  4. Step 4: Simplify right side
    299,528,576.20x = 51,745,203,152,822,688
  5. Step 5: Solve for x
    x = 51,745,203,152,822,688/299,528,576.20
  6. Step 6: Final answer
    x = 172,755,480.66

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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.