Home / 53,172,634.20-79,758,951.30-45,519,883.80

Finding the Fourth Proportional to 53,172,634.20, 79,758,951.30 and 45,519,883.80

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Solution

The fourth proportional to 53,172,634.20, 79,758,951.30 and 45,519,883.80 is: 68,279,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,172,634.20 : 79,758,951.30 = 45,519,883.80 : x
  2. Step 2: Convert to fraction form
    53,172,634.20/79,758,951.30 = 45,519,883.80/x
  3. Step 3: Cross multiply
    53,172,634.20x = 79,758,951.30 × 45,519,883.80
  4. Step 4: Simplify right side
    53,172,634.20x = 3,630,618,195,185,858.50
  5. Step 5: Solve for x
    x = 3,630,618,195,185,858.50/53,172,634.20
  6. Step 6: Final answer
    x = 68,279,825.70

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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.