Home / 201,526,096.80-302,313,682.80-72,147,280.80

Finding the Fourth Proportional to 201,526,096.80, 302,313,682.80 and 72,147,280.80

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Solution

The fourth proportional to 201,526,096.80, 302,313,682.80 and 72,147,280.80 is: 108,229,705.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,526,096.80 : 302,313,682.80 = 72,147,280.80 : x
  2. Step 2: Convert to fraction form
    201,526,096.80/302,313,682.80 = 72,147,280.80/x
  3. Step 3: Cross multiply
    201,526,096.80x = 302,313,682.80 × 72,147,280.80
  4. Step 4: Simplify right side
    201,526,096.80x = 21,811,110,162,653,732
  5. Step 5: Solve for x
    x = 21,811,110,162,653,732/201,526,096.80
  6. Step 6: Final answer
    x = 108,229,705.78

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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.