Home / 75,918,211.38-113,853,764.85-27,389,756.64

Finding the Fourth Proportional to 75,918,211.38, 113,853,764.85 and 27,389,756.64

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Solution

The fourth proportional to 75,918,211.38, 113,853,764.85 and 27,389,756.64 is: 41,076,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,918,211.38 : 113,853,764.85 = 27,389,756.64 : x
  2. Step 2: Convert to fraction form
    75,918,211.38/113,853,764.85 = 27,389,756.64/x
  3. Step 3: Cross multiply
    75,918,211.38x = 113,853,764.85 × 27,389,756.64
  4. Step 4: Simplify right side
    75,918,211.38x = 3,118,426,911,789,286
  5. Step 5: Solve for x
    x = 3,118,426,911,789,286/75,918,211.38
  6. Step 6: Final answer
    x = 41,076,137.79

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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.