Home / 149,478,023.80-224,217,035.70-80,603,270.20

Finding the Fourth Proportional to 149,478,023.80, 224,217,035.70 and 80,603,270.20

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Solution

The fourth proportional to 149,478,023.80, 224,217,035.70 and 80,603,270.20 is: 120,904,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,478,023.80 : 224,217,035.70 = 80,603,270.20 : x
  2. Step 2: Convert to fraction form
    149,478,023.80/224,217,035.70 = 80,603,270.20/x
  3. Step 3: Cross multiply
    149,478,023.80x = 224,217,035.70 × 80,603,270.20
  4. Step 4: Simplify right side
    149,478,023.80x = 18,072,626,311,970,144
  5. Step 5: Solve for x
    x = 18,072,626,311,970,144/149,478,023.80
  6. Step 6: Final answer
    x = 120,904,905.30

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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.