Home / 135,015,443.44-186,317,494.32-79,259,968.24

Finding the Fourth Proportional to 135,015,443.44, 186,317,494.32 and 79,259,968.24

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Solution

The fourth proportional to 135,015,443.44, 186,317,494.32 and 79,259,968.24 is: 109,376,515.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,015,443.44 : 186,317,494.32 = 79,259,968.24 : x
  2. Step 2: Convert to fraction form
    135,015,443.44/186,317,494.32 = 79,259,968.24/x
  3. Step 3: Cross multiply
    135,015,443.44x = 186,317,494.32 × 79,259,968.24
  4. Step 4: Simplify right side
    135,015,443.44x = 14,767,518,682,359,578
  5. Step 5: Solve for x
    x = 14,767,518,682,359,578/135,015,443.44
  6. Step 6: Final answer
    x = 109,376,515.06

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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.