Home / 75,771,400.20-113,489,138.70-45,538,312.20

Finding the Fourth Proportional to 75,771,400.20, 113,489,138.70 and 45,538,312.20

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Solution

The fourth proportional to 75,771,400.20, 113,489,138.70 and 45,538,312.20 is: 68,206,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,771,400.20 : 113,489,138.70 = 45,538,312.20 : x
  2. Step 2: Convert to fraction form
    75,771,400.20/113,489,138.70 = 45,538,312.20/x
  3. Step 3: Cross multiply
    75,771,400.20x = 113,489,138.70 × 45,538,312.20
  4. Step 4: Simplify right side
    75,771,400.20x = 5,168,103,829,429,703
  5. Step 5: Solve for x
    x = 5,168,103,829,429,703/75,771,400.20
  6. Step 6: Final answer
    x = 68,206,524.04

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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.