Home / 220,475,004.82-304,253,092.16-121,353,632.98

Finding the Fourth Proportional to 220,475,004.82, 304,253,092.16 and 121,353,632.98

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Solution

The fourth proportional to 220,475,004.82, 304,253,092.16 and 121,353,632.98 is: 167,466,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,475,004.82 : 304,253,092.16 = 121,353,632.98 : x
  2. Step 2: Convert to fraction form
    220,475,004.82/304,253,092.16 = 121,353,632.98/x
  3. Step 3: Cross multiply
    220,475,004.82x = 304,253,092.16 × 121,353,632.98
  4. Step 4: Simplify right side
    220,475,004.82x = 36,922,218,079,014,760
  5. Step 5: Solve for x
    x = 36,922,218,079,014,760/220,475,004.82
  6. Step 6: Final answer
    x = 167,466,684.53

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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.