Home / 101,993,318.10-140,746,672.77-55,582,575.54

Finding the Fourth Proportional to 101,993,318.10, 140,746,672.77 and 55,582,575.54

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Solution

The fourth proportional to 101,993,318.10, 140,746,672.77 and 55,582,575.54 is: 76,701,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,993,318.10 : 140,746,672.77 = 55,582,575.54 : x
  2. Step 2: Convert to fraction form
    101,993,318.10/140,746,672.77 = 55,582,575.54/x
  3. Step 3: Cross multiply
    101,993,318.10x = 140,746,672.77 × 55,582,575.54
  4. Step 4: Simplify right side
    101,993,318.10x = 7,823,062,571,242,187
  5. Step 5: Solve for x
    x = 7,823,062,571,242,187/101,993,318.10
  6. Step 6: Final answer
    x = 76,701,716.51

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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.