Home / 75,813,788.07-113,734,855.05-30,379,125.51

Finding the Fourth Proportional to 75,813,788.07, 113,734,855.05 and 30,379,125.51

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Solution

The fourth proportional to 75,813,788.07, 113,734,855.05 and 30,379,125.51 is: 45,574,367.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,813,788.07 : 113,734,855.05 = 30,379,125.51 : x
  2. Step 2: Convert to fraction form
    75,813,788.07/113,734,855.05 = 30,379,125.51/x
  3. Step 3: Cross multiply
    75,813,788.07x = 113,734,855.05 × 30,379,125.51
  4. Step 4: Simplify right side
    75,813,788.07x = 3,455,165,436,425,607.50
  5. Step 5: Solve for x
    x = 3,455,165,436,425,607.50/75,813,788.07
  6. Step 6: Final answer
    x = 45,574,367.47

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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.