Home / 80,533,642.63-120,799,692.00-47,720,591.51

Finding the Fourth Proportional to 80,533,642.63, 120,799,692.00 and 47,720,591.51

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Solution

The fourth proportional to 80,533,642.63, 120,799,692.00 and 47,720,591.51 is: 71,580,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,533,642.63 : 120,799,692.00 = 47,720,591.51 : x
  2. Step 2: Convert to fraction form
    80,533,642.63/120,799,692.00 = 47,720,591.51/x
  3. Step 3: Cross multiply
    80,533,642.63x = 120,799,692.00 × 47,720,591.51
  4. Step 4: Simplify right side
    80,533,642.63x = 5,764,632,755,727,722
  5. Step 5: Solve for x
    x = 5,764,632,755,727,722/80,533,642.63
  6. Step 6: Final answer
    x = 71,580,429.84

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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.