Home / 213,904,333.55-320,878,251.53-73,826,560.10

Finding the Fourth Proportional to 213,904,333.55, 320,878,251.53 and 73,826,560.10

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Solution

The fourth proportional to 213,904,333.55, 320,878,251.53 and 73,826,560.10 is: 110,747,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,904,333.55 : 320,878,251.53 = 73,826,560.10 : x
  2. Step 2: Convert to fraction form
    213,904,333.55/320,878,251.53 = 73,826,560.10/x
  3. Step 3: Cross multiply
    213,904,333.55x = 320,878,251.53 × 73,826,560.10
  4. Step 4: Simplify right side
    213,904,333.55x = 23,689,337,521,362,456
  5. Step 5: Solve for x
    x = 23,689,337,521,362,456/213,904,333.55
  6. Step 6: Final answer
    x = 110,747,347.32

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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.