Home / 211,320,022.98-316,982,474.94-63,768,861.30

Finding the Fourth Proportional to 211,320,022.98, 316,982,474.94 and 63,768,861.30

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Solution

The fourth proportional to 211,320,022.98, 316,982,474.94 and 63,768,861.30 is: 95,654,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,320,022.98 : 316,982,474.94 = 63,768,861.30 : x
  2. Step 2: Convert to fraction form
    211,320,022.98/316,982,474.94 = 63,768,861.30/x
  3. Step 3: Cross multiply
    211,320,022.98x = 316,982,474.94 × 63,768,861.30
  4. Step 4: Simplify right side
    211,320,022.98x = 20,213,611,478,979,584
  5. Step 5: Solve for x
    x = 20,213,611,478,979,584/211,320,022.98
  6. Step 6: Final answer
    x = 95,654,028.40

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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.