Home / 210,307,571.07-315,179,374.78-163,677,362.55

Finding the Fourth Proportional to 210,307,571.07, 315,179,374.78 and 163,677,362.55

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Solution

The fourth proportional to 210,307,571.07, 315,179,374.78 and 163,677,362.55 is: 245,296,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,307,571.07 : 315,179,374.78 = 163,677,362.55 : x
  2. Step 2: Convert to fraction form
    210,307,571.07/315,179,374.78 = 163,677,362.55/x
  3. Step 3: Cross multiply
    210,307,571.07x = 315,179,374.78 × 163,677,362.55
  4. Step 4: Simplify right side
    210,307,571.07x = 51,587,728,794,148,384
  5. Step 5: Solve for x
    x = 51,587,728,794,148,384/210,307,571.07
  6. Step 6: Final answer
    x = 245,296,584.10

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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.