Home / 90,837,558.10-136,093,952.40-55,280,218.60

Finding the Fourth Proportional to 90,837,558.10, 136,093,952.40 and 55,280,218.60

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Solution

The fourth proportional to 90,837,558.10, 136,093,952.40 and 55,280,218.60 is: 82,821,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,837,558.10 : 136,093,952.40 = 55,280,218.60 : x
  2. Step 2: Convert to fraction form
    90,837,558.10/136,093,952.40 = 55,280,218.60/x
  3. Step 3: Cross multiply
    90,837,558.10x = 136,093,952.40 × 55,280,218.60
  4. Step 4: Simplify right side
    90,837,558.10x = 7,523,303,438,809,995
  5. Step 5: Solve for x
    x = 7,523,303,438,809,995/90,837,558.10
  6. Step 6: Final answer
    x = 82,821,506.83

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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.