Home / 312,269,563.98-430,934,565.69-173,042,650.80

Finding the Fourth Proportional to 312,269,563.98, 430,934,565.69 and 173,042,650.80

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Solution

The fourth proportional to 312,269,563.98, 430,934,565.69 and 173,042,650.80 is: 238,800,280.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,269,563.98 : 430,934,565.69 = 173,042,650.80 : x
  2. Step 2: Convert to fraction form
    312,269,563.98/430,934,565.69 = 173,042,650.80/x
  3. Step 3: Cross multiply
    312,269,563.98x = 430,934,565.69 × 173,042,650.80
  4. Step 4: Simplify right side
    312,269,563.98x = 74,570,059,568,344,336
  5. Step 5: Solve for x
    x = 74,570,059,568,344,336/312,269,563.98
  6. Step 6: Final answer
    x = 238,800,280.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.