Home / 253,233,418.24-379,889,664-80,748,892.16

Finding the Fourth Proportional to 253,233,418.24, 379,889,664 and 80,748,892.16

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Solution

The fourth proportional to 253,233,418.24, 379,889,664 and 80,748,892.16 is: 121,135,945.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,233,418.24 : 379,889,664 = 80,748,892.16 : x
  2. Step 2: Convert to fraction form
    253,233,418.24/379,889,664 = 80,748,892.16/x
  3. Step 3: Cross multiply
    253,233,418.24x = 379,889,664 × 80,748,892.16
  4. Step 4: Simplify right side
    253,233,418.24x = 30,675,669,511,034,632
  5. Step 5: Solve for x
    x = 30,675,669,511,034,632/253,233,418.24
  6. Step 6: Final answer
    x = 121,135,945.34

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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.