Home / 213,235,270.88-319,852,906.31-51,677,206.88

Finding the Fourth Proportional to 213,235,270.88, 319,852,906.31 and 51,677,206.88

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Solution

The fourth proportional to 213,235,270.88, 319,852,906.31 and 51,677,206.88 is: 77,515,810.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,235,270.88 : 319,852,906.31 = 51,677,206.88 : x
  2. Step 2: Convert to fraction form
    213,235,270.88/319,852,906.31 = 51,677,206.88/x
  3. Step 3: Cross multiply
    213,235,270.88x = 319,852,906.31 × 51,677,206.88
  4. Step 4: Simplify right side
    213,235,270.88x = 16,529,104,809,081,056
  5. Step 5: Solve for x
    x = 16,529,104,809,081,056/213,235,270.88
  6. Step 6: Final answer
    x = 77,515,810.31

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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.