Home / 299,610,292.50-449,415,438.75-84,199,540.50

Finding the Fourth Proportional to 299,610,292.50, 449,415,438.75 and 84,199,540.50

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Solution

The fourth proportional to 299,610,292.50, 449,415,438.75 and 84,199,540.50 is: 126,299,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,610,292.50 : 449,415,438.75 = 84,199,540.50 : x
  2. Step 2: Convert to fraction form
    299,610,292.50/449,415,438.75 = 84,199,540.50/x
  3. Step 3: Cross multiply
    299,610,292.50x = 449,415,438.75 × 84,199,540.50
  4. Step 4: Simplify right side
    299,610,292.50x = 37,840,573,436,355,896
  5. Step 5: Solve for x
    x = 37,840,573,436,355,896/299,610,292.50
  6. Step 6: Final answer
    x = 126,299,310.75

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1.5x scale

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.