Home / 295,819,255.51-408,227,545.84-163,661,197.88

Finding the Fourth Proportional to 295,819,255.51, 408,227,545.84 and 163,661,197.88

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Solution

The fourth proportional to 295,819,255.51, 408,227,545.84 and 163,661,197.88 is: 225,850,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,819,255.51 : 408,227,545.84 = 163,661,197.88 : x
  2. Step 2: Convert to fraction form
    295,819,255.51/408,227,545.84 = 163,661,197.88/x
  3. Step 3: Cross multiply
    295,819,255.51x = 408,227,545.84 × 163,661,197.88
  4. Step 4: Simplify right side
    295,819,255.51x = 66,811,009,158,968,696
  5. Step 5: Solve for x
    x = 66,811,009,158,968,696/295,819,255.51
  6. Step 6: Final answer
    x = 225,850,778.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.