Home / 75,853,788.61-113,780,738.22-18,346,115.16

Finding the Fourth Proportional to 75,853,788.61, 113,780,738.22 and 18,346,115.16

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Solution

The fourth proportional to 75,853,788.61, 113,780,738.22 and 18,346,115.16 is: 27,519,186.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,853,788.61 : 113,780,738.22 = 18,346,115.16 : x
  2. Step 2: Convert to fraction form
    75,853,788.61/113,780,738.22 = 18,346,115.16/x
  3. Step 3: Cross multiply
    75,853,788.61x = 113,780,738.22 × 18,346,115.16
  4. Step 4: Simplify right side
    75,853,788.61x = 2,087,434,526,373,933.50
  5. Step 5: Solve for x
    x = 2,087,434,526,373,933.50/75,853,788.61
  6. Step 6: Final answer
    x = 27,519,186.12

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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.