Home / 134,489,418.70-201,734,128.05-80,069,860.30

Finding the Fourth Proportional to 134,489,418.70, 201,734,128.05 and 80,069,860.30

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Solution

The fourth proportional to 134,489,418.70, 201,734,128.05 and 80,069,860.30 is: 120,104,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,489,418.70 : 201,734,128.05 = 80,069,860.30 : x
  2. Step 2: Convert to fraction form
    134,489,418.70/201,734,128.05 = 80,069,860.30/x
  3. Step 3: Cross multiply
    134,489,418.70x = 201,734,128.05 × 80,069,860.30
  4. Step 4: Simplify right side
    134,489,418.70x = 16,152,823,450,705,812
  5. Step 5: Solve for x
    x = 16,152,823,450,705,812/134,489,418.70
  6. Step 6: Final answer
    x = 120,104,790.45

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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.