Home / 299,344,917.80-449,479,271.10-163,296,021.80

Finding the Fourth Proportional to 299,344,917.80, 449,479,271.10 and 163,296,021.80

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Solution

The fourth proportional to 299,344,917.80, 449,479,271.10 and 163,296,021.80 is: 245,196,001.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,344,917.80 : 449,479,271.10 = 163,296,021.80 : x
  2. Step 2: Convert to fraction form
    299,344,917.80/449,479,271.10 = 163,296,021.80/x
  3. Step 3: Cross multiply
    299,344,917.80x = 449,479,271.10 × 163,296,021.80
  4. Step 4: Simplify right side
    299,344,917.80x = 73,398,176,852,193,712
  5. Step 5: Solve for x
    x = 73,398,176,852,193,712/299,344,917.80
  6. Step 6: Final answer
    x = 245,196,001.29

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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.