Home / 81,494,729.10-122,247,998.55-49,076,828.10

Finding the Fourth Proportional to 81,494,729.10, 122,247,998.55 and 49,076,828.10

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Solution

The fourth proportional to 81,494,729.10, 122,247,998.55 and 49,076,828.10 is: 73,618,798.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,494,729.10 : 122,247,998.55 = 49,076,828.10 : x
  2. Step 2: Convert to fraction form
    81,494,729.10/122,247,998.55 = 49,076,828.10/x
  3. Step 3: Cross multiply
    81,494,729.10x = 122,247,998.55 × 49,076,828.10
  4. Step 4: Simplify right side
    81,494,729.10x = 5,999,544,010,407,399
  5. Step 5: Solve for x
    x = 5,999,544,010,407,399/81,494,729.10
  6. Step 6: Final answer
    x = 73,618,798.13

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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.