Home / 82,817,896.96-114,289,149.72-48,031,211.44

Finding the Fourth Proportional to 82,817,896.96, 114,289,149.72 and 48,031,211.44

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Solution

The fourth proportional to 82,817,896.96, 114,289,149.72 and 48,031,211.44 is: 66,283,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,817,896.96 : 114,289,149.72 = 48,031,211.44 : x
  2. Step 2: Convert to fraction form
    82,817,896.96/114,289,149.72 = 48,031,211.44/x
  3. Step 3: Cross multiply
    82,817,896.96x = 114,289,149.72 × 48,031,211.44
  4. Step 4: Simplify right side
    82,817,896.96x = 5,489,446,315,499,136
  5. Step 5: Solve for x
    x = 5,489,446,315,499,136/82,817,896.96
  6. Step 6: Final answer
    x = 66,283,333.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.