Home / 213,309,420,940.08-319,740,152,942.24-71,769,703,764.33

Finding the Fourth Proportional to 213,309,420,940.08, 319,740,152,942.24 and 71,769,703,764.33

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Solution

The fourth proportional to 213,309,420,940.08, 319,740,152,942.24 and 71,769,703,764.33 is: 107,579,196,254.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,309,420,940.08 : 319,740,152,942.24 = 71,769,703,764.33 : x
  2. Step 2: Convert to fraction form
    213,309,420,940.08/319,740,152,942.24 = 71,769,703,764.33/x
  3. Step 3: Cross multiply
    213,309,420,940.08x = 319,740,152,942.24 × 71,769,703,764.33
  4. Step 4: Simplify right side
    213,309,420,940.08x = 22,947,656,058,226,769,657,856
  5. Step 5: Solve for x
    x = 22,947,656,058,226,769,657,856/213,309,420,940.08
  6. Step 6: Final answer
    x = 107,579,196,254.41

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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.