Home / 263,552,738.40-395,329,107.60-72,076,514.40

Finding the Fourth Proportional to 263,552,738.40, 395,329,107.60 and 72,076,514.40

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Solution

The fourth proportional to 263,552,738.40, 395,329,107.60 and 72,076,514.40 is: 108,114,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,552,738.40 : 395,329,107.60 = 72,076,514.40 : x
  2. Step 2: Convert to fraction form
    263,552,738.40/395,329,107.60 = 72,076,514.40/x
  3. Step 3: Cross multiply
    263,552,738.40x = 395,329,107.60 × 72,076,514.40
  4. Step 4: Simplify right side
    263,552,738.40x = 28,493,944,116,670,552
  5. Step 5: Solve for x
    x = 28,493,944,116,670,552/263,552,738.40
  6. Step 6: Final answer
    x = 108,114,771.60

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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.