Home / 285,994,014.42-428,927,180.67-132,620,141.82

Finding the Fourth Proportional to 285,994,014.42, 428,927,180.67 and 132,620,141.82

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Solution

The fourth proportional to 285,994,014.42, 428,927,180.67 and 132,620,141.82 is: 198,900,608.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,994,014.42 : 428,927,180.67 = 132,620,141.82 : x
  2. Step 2: Convert to fraction form
    285,994,014.42/428,927,180.67 = 132,620,141.82/x
  3. Step 3: Cross multiply
    285,994,014.42x = 428,927,180.67 × 132,620,141.82
  4. Step 4: Simplify right side
    285,994,014.42x = 56,884,383,530,908,160
  5. Step 5: Solve for x
    x = 56,884,383,530,908,160/285,994,014.42
  6. Step 6: Final answer
    x = 198,900,608.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.