Home / 253,208,959.76-379,760,294.88-71,413,622.48

Finding the Fourth Proportional to 253,208,959.76, 379,760,294.88 and 71,413,622.48

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Solution

The fourth proportional to 253,208,959.76, 379,760,294.88 and 71,413,622.48 is: 107,105,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,208,959.76 : 379,760,294.88 = 71,413,622.48 : x
  2. Step 2: Convert to fraction form
    253,208,959.76/379,760,294.88 = 71,413,622.48/x
  3. Step 3: Cross multiply
    253,208,959.76x = 379,760,294.88 × 71,413,622.48
  4. Step 4: Simplify right side
    253,208,959.76x = 27,120,058,331,453,800
  5. Step 5: Solve for x
    x = 27,120,058,331,453,800/253,208,959.76
  6. Step 6: Final answer
    x = 107,105,445.07

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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.