Home / 213,235,272.38-319,852,908.56-51,677,208.38

Finding the Fourth Proportional to 213,235,272.38, 319,852,908.56 and 51,677,208.38

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Solution

The fourth proportional to 213,235,272.38, 319,852,908.56 and 51,677,208.38 is: 77,515,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,235,272.38 : 319,852,908.56 = 51,677,208.38 : x
  2. Step 2: Convert to fraction form
    213,235,272.38/319,852,908.56 = 51,677,208.38/x
  3. Step 3: Cross multiply
    213,235,272.38x = 319,852,908.56 × 51,677,208.38
  4. Step 4: Simplify right side
    213,235,272.38x = 16,529,105,405,134,134
  5. Step 5: Solve for x
    x = 16,529,105,405,134,134/213,235,272.38
  6. Step 6: Final answer
    x = 77,515,812.56

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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.