Home / 201,420,861.80-302,131,292.70-65,204,004.20

Finding the Fourth Proportional to 201,420,861.80, 302,131,292.70 and 65,204,004.20

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Solution

The fourth proportional to 201,420,861.80, 302,131,292.70 and 65,204,004.20 is: 97,806,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,420,861.80 : 302,131,292.70 = 65,204,004.20 : x
  2. Step 2: Convert to fraction form
    201,420,861.80/302,131,292.70 = 65,204,004.20/x
  3. Step 3: Cross multiply
    201,420,861.80x = 302,131,292.70 × 65,204,004.20
  4. Step 4: Simplify right side
    201,420,861.80x = 19,700,170,078,162,228
  5. Step 5: Solve for x
    x = 19,700,170,078,162,228/201,420,861.80
  6. Step 6: Final answer
    x = 97,806,006.30

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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.