Home / 220,308,083.73-304,030,828.35-121,191,377.49

Finding the Fourth Proportional to 220,308,083.73, 304,030,828.35 and 121,191,377.49

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Solution

The fourth proportional to 220,308,083.73, 304,030,828.35 and 121,191,377.49 is: 167,247,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,308,083.73 : 304,030,828.35 = 121,191,377.49 : x
  2. Step 2: Convert to fraction form
    220,308,083.73/304,030,828.35 = 121,191,377.49/x
  3. Step 3: Cross multiply
    220,308,083.73x = 304,030,828.35 × 121,191,377.49
  4. Step 4: Simplify right side
    220,308,083.73x = 36,845,914,887,162,248
  5. Step 5: Solve for x
    x = 36,845,914,887,162,248/220,308,083.73
  6. Step 6: Final answer
    x = 167,247,221.54

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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.