Home / 212,584,821.85-318,877,236.87-51,026,757.85

Finding the Fourth Proportional to 212,584,821.85, 318,877,236.87 and 51,026,757.85

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Solution

The fourth proportional to 212,584,821.85, 318,877,236.87 and 51,026,757.85 is: 76,540,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,584,821.85 : 318,877,236.87 = 51,026,757.85 : x
  2. Step 2: Convert to fraction form
    212,584,821.85/318,877,236.87 = 51,026,757.85/x
  3. Step 3: Cross multiply
    212,584,821.85x = 318,877,236.87 × 51,026,757.85
  4. Step 4: Simplify right side
    212,584,821.85x = 16,271,271,549,642,582
  5. Step 5: Solve for x
    x = 16,271,271,549,642,582/212,584,821.85
  6. Step 6: Final answer
    x = 76,540,137.76

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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.