Home / 51,086,354.90-76,629,532.35-45,543,622.10

Finding the Fourth Proportional to 51,086,354.90, 76,629,532.35 and 45,543,622.10

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Solution

The fourth proportional to 51,086,354.90, 76,629,532.35 and 45,543,622.10 is: 68,315,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,086,354.90 : 76,629,532.35 = 45,543,622.10 : x
  2. Step 2: Convert to fraction form
    51,086,354.90/76,629,532.35 = 45,543,622.10/x
  3. Step 3: Cross multiply
    51,086,354.90x = 76,629,532.35 × 45,543,622.10
  4. Step 4: Simplify right side
    51,086,354.90x = 3,489,986,463,048,125
  5. Step 5: Solve for x
    x = 3,489,986,463,048,125/51,086,354.90
  6. Step 6: Final answer
    x = 68,315,433.15

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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.