Home / 51,152,978,137.44-76,354,802,719.85-45,114,384,115.56

Finding the Fourth Proportional to 51,152,978,137.44, 76,354,802,719.85 and 45,114,384,115.56

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Solution

The fourth proportional to 51,152,978,137.44, 76,354,802,719.85 and 45,114,384,115.56 is: 67,341,140,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,152,978,137.44 : 76,354,802,719.85 = 45,114,384,115.56 : x
  2. Step 2: Convert to fraction form
    51,152,978,137.44/76,354,802,719.85 = 45,114,384,115.56/x
  3. Step 3: Cross multiply
    51,152,978,137.44x = 76,354,802,719.85 × 45,114,384,115.56
  4. Step 4: Simplify right side
    51,152,978,137.44x = 3,444,699,898,971,118,632,960
  5. Step 5: Solve for x
    x = 3,444,699,898,971,118,632,960/51,152,978,137.44
  6. Step 6: Final answer
    x = 67,341,140,719.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.