Home / 300,099,548.26-450,086,335.89-84,638,407.78

Finding the Fourth Proportional to 300,099,548.26, 450,086,335.89 and 84,638,407.78

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Solution

The fourth proportional to 300,099,548.26, 450,086,335.89 and 84,638,407.78 is: 126,939,847.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,099,548.26 : 450,086,335.89 = 84,638,407.78 : x
  2. Step 2: Convert to fraction form
    300,099,548.26/450,086,335.89 = 84,638,407.78/x
  3. Step 3: Cross multiply
    300,099,548.26x = 450,086,335.89 × 84,638,407.78
  4. Step 4: Simplify right side
    300,099,548.26x = 38,094,590,833,263,872
  5. Step 5: Solve for x
    x = 38,094,590,833,263,872/300,099,548.26
  6. Step 6: Final answer
    x = 126,939,847.31

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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.