Home / 141,922,828.76-195,853,135.14-79,198,268.67

Finding the Fourth Proportional to 141,922,828.76, 195,853,135.14 and 79,198,268.67

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Solution

The fourth proportional to 141,922,828.76, 195,853,135.14 and 79,198,268.67 is: 109,293,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,922,828.76 : 195,853,135.14 = 79,198,268.67 : x
  2. Step 2: Convert to fraction form
    141,922,828.76/195,853,135.14 = 79,198,268.67/x
  3. Step 3: Cross multiply
    141,922,828.76x = 195,853,135.14 × 79,198,268.67
  4. Step 4: Simplify right side
    141,922,828.76x = 15,511,229,216,679,538
  5. Step 5: Solve for x
    x = 15,511,229,216,679,538/141,922,828.76
  6. Step 6: Final answer
    x = 109,293,405.10

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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.