Home / 66,665,285.20-92,001,665.64-37,294,865.68

Finding the Fourth Proportional to 66,665,285.20, 92,001,665.64 and 37,294,865.68

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Solution

The fourth proportional to 66,665,285.20, 92,001,665.64 and 37,294,865.68 is: 51,468,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,665,285.20 : 92,001,665.64 = 37,294,865.68 : x
  2. Step 2: Convert to fraction form
    66,665,285.20/92,001,665.64 = 37,294,865.68/x
  3. Step 3: Cross multiply
    66,665,285.20x = 92,001,665.64 × 37,294,865.68
  4. Step 4: Simplify right side
    66,665,285.20x = 3,431,189,762,380,071
  5. Step 5: Solve for x
    x = 3,431,189,762,380,071/66,665,285.20
  6. Step 6: Final answer
    x = 51,468,912.97

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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.