Home / 299,622,005.80-449,433,008.70-84,211,253.80

Finding the Fourth Proportional to 299,622,005.80, 449,433,008.70 and 84,211,253.80

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Solution

The fourth proportional to 299,622,005.80, 449,433,008.70 and 84,211,253.80 is: 126,316,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,622,005.80 : 449,433,008.70 = 84,211,253.80 : x
  2. Step 2: Convert to fraction form
    299,622,005.80/449,433,008.70 = 84,211,253.80/x
  3. Step 3: Cross multiply
    299,622,005.80x = 449,433,008.70 × 84,211,253.80
  4. Step 4: Simplify right side
    299,622,005.80x = 37,847,317,161,733,304
  5. Step 5: Solve for x
    x = 37,847,317,161,733,304/299,622,005.80
  6. Step 6: Final answer
    x = 126,316,880.70

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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.