Home / 61,784,129.79-92,691,178.07-18,650,756.61

Finding the Fourth Proportional to 61,784,129.79, 92,691,178.07 and 18,650,756.61

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Solution

The fourth proportional to 61,784,129.79, 92,691,178.07 and 18,650,756.61 is: 27,980,657.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,784,129.79 : 92,691,178.07 = 18,650,756.61 : x
  2. Step 2: Convert to fraction form
    61,784,129.79/92,691,178.07 = 18,650,756.61/x
  3. Step 3: Cross multiply
    61,784,129.79x = 92,691,178.07 × 18,650,756.61
  4. Step 4: Simplify right side
    61,784,129.79x = 1,728,760,601,984,485.75
  5. Step 5: Solve for x
    x = 1,728,760,601,984,485.75/61,784,129.79
  6. Step 6: Final answer
    x = 27,980,657.94

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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.