Home / 56,916,512.37-78,554,087.70-34,902,128.25

Finding the Fourth Proportional to 56,916,512.37, 78,554,087.70 and 34,902,128.25

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Solution

The fourth proportional to 56,916,512.37, 78,554,087.70 and 34,902,128.25 is: 48,170,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,916,512.37 : 78,554,087.70 = 34,902,128.25 : x
  2. Step 2: Convert to fraction form
    56,916,512.37/78,554,087.70 = 34,902,128.25/x
  3. Step 3: Cross multiply
    56,916,512.37x = 78,554,087.70 × 34,902,128.25
  4. Step 4: Simplify right side
    56,916,512.37x = 2,741,704,843,467,147.50
  5. Step 5: Solve for x
    x = 2,741,704,843,467,147.50/56,916,512.37
  6. Step 6: Final answer
    x = 48,170,640.28

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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.