Home / 271,325,679.81-406,991,038.38-77,237,087.94

Finding the Fourth Proportional to 271,325,679.81, 406,991,038.38 and 77,237,087.94

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Solution

The fourth proportional to 271,325,679.81, 406,991,038.38 and 77,237,087.94 is: 115,856,348.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,325,679.81 : 406,991,038.38 = 77,237,087.94 : x
  2. Step 2: Convert to fraction form
    271,325,679.81/406,991,038.38 = 77,237,087.94/x
  3. Step 3: Cross multiply
    271,325,679.81x = 406,991,038.38 × 77,237,087.94
  4. Step 4: Simplify right side
    271,325,679.81x = 31,434,802,622,147,972
  5. Step 5: Solve for x
    x = 31,434,802,622,147,972/271,325,679.81
  6. Step 6: Final answer
    x = 115,856,348.89

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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.