Home / 114,190,554.68-157,578,745.85-61,978,469.34

Finding the Fourth Proportional to 114,190,554.68, 157,578,745.85 and 61,978,469.34

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Solution

The fourth proportional to 114,190,554.68, 157,578,745.85 and 61,978,469.34 is: 85,527,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,190,554.68 : 157,578,745.85 = 61,978,469.34 : x
  2. Step 2: Convert to fraction form
    114,190,554.68/157,578,745.85 = 61,978,469.34/x
  3. Step 3: Cross multiply
    114,190,554.68x = 157,578,745.85 × 61,978,469.34
  4. Step 4: Simplify right side
    114,190,554.68x = 9,766,489,468,299,878
  5. Step 5: Solve for x
    x = 9,766,489,468,299,878/114,190,554.68
  6. Step 6: Final answer
    x = 85,527,997.44

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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.