Home / 81,494,562.60-122,247,748.80-49,076,661.60

Finding the Fourth Proportional to 81,494,562.60, 122,247,748.80 and 49,076,661.60

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Solution

The fourth proportional to 81,494,562.60, 122,247,748.80 and 49,076,661.60 is: 73,618,548.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,494,562.60 : 122,247,748.80 = 49,076,661.60 : x
  2. Step 2: Convert to fraction form
    81,494,562.60/122,247,748.80 = 49,076,661.60/x
  3. Step 3: Cross multiply
    81,494,562.60x = 122,247,748.80 × 49,076,661.60
  4. Step 4: Simplify right side
    81,494,562.60x = 5,999,511,399,219,406
  5. Step 5: Solve for x
    x = 5,999,511,399,219,406/81,494,562.60
  6. Step 6: Final answer
    x = 73,618,548.38

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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.