Home / 220,475,011.57-304,253,101.48-121,353,639.73

Finding the Fourth Proportional to 220,475,011.57, 304,253,101.48 and 121,353,639.73

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Solution

The fourth proportional to 220,475,011.57, 304,253,101.48 and 121,353,639.73 is: 167,466,693.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,475,011.57 : 304,253,101.48 = 121,353,639.73 : x
  2. Step 2: Convert to fraction form
    220,475,011.57/304,253,101.48 = 121,353,639.73/x
  3. Step 3: Cross multiply
    220,475,011.57x = 304,253,101.48 × 121,353,639.73
  4. Step 4: Simplify right side
    220,475,011.57x = 36,922,221,263,739,056
  5. Step 5: Solve for x
    x = 36,922,221,263,739,056/220,475,011.57
  6. Step 6: Final answer
    x = 167,466,693.85

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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.