Home / 155,086,466.10-214,015,636.88-84,524,304.30

Finding the Fourth Proportional to 155,086,466.10, 214,015,636.88 and 84,524,304.30

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Solution

The fourth proportional to 155,086,466.10, 214,015,636.88 and 84,524,304.30 is: 116,641,530.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,086,466.10 : 214,015,636.88 = 84,524,304.30 : x
  2. Step 2: Convert to fraction form
    155,086,466.10/214,015,636.88 = 84,524,304.30/x
  3. Step 3: Cross multiply
    155,086,466.10x = 214,015,636.88 × 84,524,304.30
  4. Step 4: Simplify right side
    155,086,466.10x = 18,089,522,816,603,420
  5. Step 5: Solve for x
    x = 18,089,522,816,603,420/155,086,466.10
  6. Step 6: Final answer
    x = 116,641,530.83

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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.