Home / 45,404,430,892.79-68,106,398,596.51-18,512,893,178.22

Finding the Fourth Proportional to 45,404,430,892.79, 68,106,398,596.51 and 18,512,893,178.22

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Solution

The fourth proportional to 45,404,430,892.79, 68,106,398,596.51 and 18,512,893,178.22 is: 27,769,238,754.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,404,430,892.79 : 68,106,398,596.51 = 18,512,893,178.22 : x
  2. Step 2: Convert to fraction form
    45,404,430,892.79/68,106,398,596.51 = 18,512,893,178.22/x
  3. Step 3: Cross multiply
    45,404,430,892.79x = 68,106,398,596.51 × 18,512,893,178.22
  4. Step 4: Simplify right side
    45,404,430,892.79x = 1,260,846,481,970,307,268,608
  5. Step 5: Solve for x
    x = 1,260,846,481,970,307,268,608/45,404,430,892.79
  6. Step 6: Final answer
    x = 27,769,238,754.42

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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.