Home / 49,820,421.22-68,691,100-40,968,939.67

Finding the Fourth Proportional to 49,820,421.22, 68,691,100 and 40,968,939.67

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Solution

The fourth proportional to 49,820,421.22, 68,691,100 and 40,968,939.67 is: 56,486,907.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,820,421.22 : 68,691,100 = 40,968,939.67 : x
  2. Step 2: Convert to fraction form
    49,820,421.22/68,691,100 = 40,968,939.67/x
  3. Step 3: Cross multiply
    49,820,421.22x = 68,691,100 × 40,968,939.67
  4. Step 4: Simplify right side
    49,820,421.22x = 2,814,201,531,765,937
  5. Step 5: Solve for x
    x = 2,814,201,531,765,937/49,820,421.22
  6. Step 6: Final answer
    x = 56,486,907.63

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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.