Home / 220,475,003.82-304,253,090.78-121,353,631.98

Finding the Fourth Proportional to 220,475,003.82, 304,253,090.78 and 121,353,631.98

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Solution

The fourth proportional to 220,475,003.82, 304,253,090.78 and 121,353,631.98 is: 167,466,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,475,003.82 : 304,253,090.78 = 121,353,631.98 : x
  2. Step 2: Convert to fraction form
    220,475,003.82/304,253,090.78 = 121,353,631.98/x
  3. Step 3: Cross multiply
    220,475,003.82x = 304,253,090.78 × 121,353,631.98
  4. Step 4: Simplify right side
    220,475,003.82x = 36,922,217,607,293,648
  5. Step 5: Solve for x
    x = 36,922,217,607,293,648/220,475,003.82
  6. Step 6: Final answer
    x = 167,466,683.15

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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.