Home / 57,347,999.60-86,021,999.40-51,077,433.20

Finding the Fourth Proportional to 57,347,999.60, 86,021,999.40 and 51,077,433.20

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Solution

The fourth proportional to 57,347,999.60, 86,021,999.40 and 51,077,433.20 is: 76,616,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,347,999.60 : 86,021,999.40 = 51,077,433.20 : x
  2. Step 2: Convert to fraction form
    57,347,999.60/86,021,999.40 = 51,077,433.20/x
  3. Step 3: Cross multiply
    57,347,999.60x = 86,021,999.40 × 51,077,433.20
  4. Step 4: Simplify right side
    57,347,999.60x = 4,393,782,928,083,940.50
  5. Step 5: Solve for x
    x = 4,393,782,928,083,940.50/57,347,999.60
  6. Step 6: Final answer
    x = 76,616,149.80

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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.