Home / 134,489,419.70-201,734,129.55-80,069,861.30

Finding the Fourth Proportional to 134,489,419.70, 201,734,129.55 and 80,069,861.30

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Solution

The fourth proportional to 134,489,419.70, 201,734,129.55 and 80,069,861.30 is: 120,104,791.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,489,419.70 : 201,734,129.55 = 80,069,861.30 : x
  2. Step 2: Convert to fraction form
    134,489,419.70/201,734,129.55 = 80,069,861.30/x
  3. Step 3: Cross multiply
    134,489,419.70x = 201,734,129.55 × 80,069,861.30
  4. Step 4: Simplify right side
    134,489,419.70x = 16,152,823,772,544,732
  5. Step 5: Solve for x
    x = 16,152,823,772,544,732/134,489,419.70
  6. Step 6: Final answer
    x = 120,104,791.95

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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.