Home / 61,784,130.79-92,691,179.57-18,650,757.61

Finding the Fourth Proportional to 61,784,130.79, 92,691,179.57 and 18,650,757.61

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Solution

The fourth proportional to 61,784,130.79, 92,691,179.57 and 18,650,757.61 is: 27,980,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,784,130.79 : 92,691,179.57 = 18,650,757.61 : x
  2. Step 2: Convert to fraction form
    61,784,130.79/92,691,179.57 = 18,650,757.61/x
  3. Step 3: Cross multiply
    61,784,130.79x = 92,691,179.57 × 18,650,757.61
  4. Step 4: Simplify right side
    61,784,130.79x = 1,728,760,722,745,053.75
  5. Step 5: Solve for x
    x = 1,728,760,722,745,053.75/61,784,130.79
  6. Step 6: Final answer
    x = 27,980,659.45

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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.