Home / 76,383,971.61-114,574,835.57-18,876,241.23

Finding the Fourth Proportional to 76,383,971.61, 114,574,835.57 and 18,876,241.23

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Solution

The fourth proportional to 76,383,971.61, 114,574,835.57 and 18,876,241.23 is: 28,314,084.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,383,971.61 : 114,574,835.57 = 18,876,241.23 : x
  2. Step 2: Convert to fraction form
    76,383,971.61/114,574,835.57 = 18,876,241.23/x
  3. Step 3: Cross multiply
    76,383,971.61x = 114,574,835.57 × 18,876,241.23
  4. Step 4: Simplify right side
    76,383,971.61x = 2,162,742,235,012,523.25
  5. Step 5: Solve for x
    x = 2,162,742,235,012,523.25/76,383,971.61
  6. Step 6: Final answer
    x = 28,314,084.61

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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.