Home / 75,813,791.81-113,734,860.68-30,379,129.25

Finding the Fourth Proportional to 75,813,791.81, 113,734,860.68 and 30,379,129.25

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Solution

The fourth proportional to 75,813,791.81, 113,734,860.68 and 30,379,129.25 is: 45,574,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,813,791.81 : 113,734,860.68 = 30,379,129.25 : x
  2. Step 2: Convert to fraction form
    75,813,791.81/113,734,860.68 = 30,379,129.25/x
  3. Step 3: Cross multiply
    75,813,791.81x = 113,734,860.68 × 30,379,129.25
  4. Step 4: Simplify right side
    75,813,791.81x = 3,455,166,032,335,736.50
  5. Step 5: Solve for x
    x = 3,455,166,032,335,736.50/75,813,791.81
  6. Step 6: Final answer
    x = 45,574,373.08

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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.