Home / 201,190,768.30-301,903,266.32-84,597,686.74

Finding the Fourth Proportional to 201,190,768.30, 301,903,266.32 and 84,597,686.74

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Solution

The fourth proportional to 201,190,768.30, 301,903,266.32 and 84,597,686.74 is: 126,945,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,190,768.30 : 301,903,266.32 = 84,597,686.74 : x
  2. Step 2: Convert to fraction form
    201,190,768.30/301,903,266.32 = 84,597,686.74/x
  3. Step 3: Cross multiply
    201,190,768.30x = 301,903,266.32 × 84,597,686.74
  4. Step 4: Simplify right side
    201,190,768.30x = 25,540,317,949,922,152
  5. Step 5: Solve for x
    x = 25,540,317,949,922,152/201,190,768.30
  6. Step 6: Final answer
    x = 126,945,774.73

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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.