Home / 274,864,378.34-412,493,274.48-99,987,074.28

Finding the Fourth Proportional to 274,864,378.34, 412,493,274.48 and 99,987,074.28

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Solution

The fourth proportional to 274,864,378.34, 412,493,274.48 and 99,987,074.28 is: 150,052,167.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,864,378.34 : 412,493,274.48 = 99,987,074.28 : x
  2. Step 2: Convert to fraction form
    274,864,378.34/412,493,274.48 = 99,987,074.28/x
  3. Step 3: Cross multiply
    274,864,378.34x = 412,493,274.48 × 99,987,074.28
  4. Step 4: Simplify right side
    274,864,378.34x = 41,243,995,675,432,192
  5. Step 5: Solve for x
    x = 41,243,995,675,432,192/274,864,378.34
  6. Step 6: Final answer
    x = 150,052,167.27

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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.