Home / 342,188,972.70-512,905,545.45-188,945,007.90

Finding the Fourth Proportional to 342,188,972.70, 512,905,545.45 and 188,945,007.90

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Solution

The fourth proportional to 342,188,972.70, 512,905,545.45 and 188,945,007.90 is: 283,208,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,188,972.70 : 512,905,545.45 = 188,945,007.90 : x
  2. Step 2: Convert to fraction form
    342,188,972.70/512,905,545.45 = 188,945,007.90/x
  3. Step 3: Cross multiply
    342,188,972.70x = 512,905,545.45 × 188,945,007.90
  4. Step 4: Simplify right side
    342,188,972.70x = 96,910,942,337,004,064
  5. Step 5: Solve for x
    x = 96,910,942,337,004,064/342,188,972.70
  6. Step 6: Final answer
    x = 283,208,840.93

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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.