Home / 74,588,622,204.59-111,883,821,155.87-20,802,485,313.92

Finding the Fourth Proportional to 74,588,622,204.59, 111,883,821,155.87 and 20,802,485,313.92

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Solution

The fourth proportional to 74,588,622,204.59, 111,883,821,155.87 and 20,802,485,313.92 is: 31,203,975,588.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,588,622,204.59 : 111,883,821,155.87 = 20,802,485,313.92 : x
  2. Step 2: Convert to fraction form
    74,588,622,204.59/111,883,821,155.87 = 20,802,485,313.92/x
  3. Step 3: Cross multiply
    74,588,622,204.59x = 111,883,821,155.87 × 20,802,485,313.92
  4. Step 4: Simplify right side
    74,588,622,204.59x = 2,327,461,546,460,237,266,944
  5. Step 5: Solve for x
    x = 2,327,461,546,460,237,266,944/74,588,622,204.59
  6. Step 6: Final answer
    x = 31,203,975,588.61

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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.