Home / 274,749,518.82-412,139,988.42-77,997,542.46

Finding the Fourth Proportional to 274,749,518.82, 412,139,988.42 and 77,997,542.46

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Solution

The fourth proportional to 274,749,518.82, 412,139,988.42 and 77,997,542.46 is: 117,000,773.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,749,518.82 : 412,139,988.42 = 77,997,542.46 : x
  2. Step 2: Convert to fraction form
    274,749,518.82/412,139,988.42 = 77,997,542.46/x
  3. Step 3: Cross multiply
    274,749,518.82x = 412,139,988.42 × 77,997,542.46
  4. Step 4: Simplify right side
    274,749,518.82x = 32,145,906,246,252,856
  5. Step 5: Solve for x
    x = 32,145,906,246,252,856/274,749,518.82
  6. Step 6: Final answer
    x = 117,000,773.59

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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.