Home / 220,474,978.01-304,253,055.19-121,353,606.17

Finding the Fourth Proportional to 220,474,978.01, 304,253,055.19 and 121,353,606.17

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Solution

The fourth proportional to 220,474,978.01, 304,253,055.19 and 121,353,606.17 is: 167,466,647.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,474,978.01 : 304,253,055.19 = 121,353,606.17 : x
  2. Step 2: Convert to fraction form
    220,474,978.01/304,253,055.19 = 121,353,606.17/x
  3. Step 3: Cross multiply
    220,474,978.01x = 304,253,055.19 × 121,353,606.17
  4. Step 4: Simplify right side
    220,474,978.01x = 36,922,205,435,546,536
  5. Step 5: Solve for x
    x = 36,922,205,435,546,536/220,474,978.01
  6. Step 6: Final answer
    x = 167,466,647.55

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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.