Home / 47,939,761.10-66,139,492.20-39,274,615.60

Finding the Fourth Proportional to 47,939,761.10, 66,139,492.20 and 39,274,615.60

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Solution

The fourth proportional to 47,939,761.10, 66,139,492.20 and 39,274,615.60 is: 54,184,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,939,761.10 : 66,139,492.20 = 39,274,615.60 : x
  2. Step 2: Convert to fraction form
    47,939,761.10/66,139,492.20 = 39,274,615.60/x
  3. Step 3: Cross multiply
    47,939,761.10x = 66,139,492.20 × 39,274,615.60
  4. Step 4: Simplify right side
    47,939,761.10x = 2,597,603,131,837,081.50
  5. Step 5: Solve for x
    x = 2,597,603,131,837,081.50/47,939,761.10
  6. Step 6: Final answer
    x = 54,184,732.51

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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.