Home / 75,638,129.27-104,383,402.58-42,150,617.60

Finding the Fourth Proportional to 75,638,129.27, 104,383,402.58 and 42,150,617.60

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Solution

The fourth proportional to 75,638,129.27, 104,383,402.58 and 42,150,617.60 is: 58,169,403.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,638,129.27 : 104,383,402.58 = 42,150,617.60 : x
  2. Step 2: Convert to fraction form
    75,638,129.27/104,383,402.58 = 42,150,617.60/x
  3. Step 3: Cross multiply
    75,638,129.27x = 104,383,402.58 × 42,150,617.60
  4. Step 4: Simplify right side
    75,638,129.27x = 4,399,824,885,519,892.50
  5. Step 5: Solve for x
    x = 4,399,824,885,519,892.50/75,638,129.27
  6. Step 6: Final answer
    x = 58,169,403.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.