Home / 57,404,575.71-86,147,213.79-51,916,118.78

Finding the Fourth Proportional to 57,404,575.71, 86,147,213.79 and 51,916,118.78

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Solution

The fourth proportional to 57,404,575.71, 86,147,213.79 and 51,916,118.78 is: 77,910,670.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,404,575.71 : 86,147,213.79 = 51,916,118.78 : x
  2. Step 2: Convert to fraction form
    57,404,575.71/86,147,213.79 = 51,916,118.78/x
  3. Step 3: Cross multiply
    57,404,575.71x = 86,147,213.79 × 51,916,118.78
  4. Step 4: Simplify right side
    57,404,575.71x = 4,472,428,983,256,958
  5. Step 5: Solve for x
    x = 4,472,428,983,256,958/57,404,575.71
  6. Step 6: Final answer
    x = 77,910,670.50

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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.