Home / 66,051,213.20-99,076,819.80-49,045,101.20

Finding the Fourth Proportional to 66,051,213.20, 99,076,819.80 and 49,045,101.20

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Solution

The fourth proportional to 66,051,213.20, 99,076,819.80 and 49,045,101.20 is: 73,567,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051,213.20 : 99,076,819.80 = 49,045,101.20 : x
  2. Step 2: Convert to fraction form
    66,051,213.20/99,076,819.80 = 49,045,101.20/x
  3. Step 3: Cross multiply
    66,051,213.20x = 99,076,819.80 × 49,045,101.20
  4. Step 4: Simplify right side
    66,051,213.20x = 4,859,232,653,665,164
  5. Step 5: Solve for x
    x = 4,859,232,653,665,164/66,051,213.20
  6. Step 6: Final answer
    x = 73,567,651.80

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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.