Home / 212,584,820.85-318,877,235.37-51,026,756.85

Finding the Fourth Proportional to 212,584,820.85, 318,877,235.37 and 51,026,756.85

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Solution

The fourth proportional to 212,584,820.85, 318,877,235.37 and 51,026,756.85 is: 76,540,136.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,584,820.85 : 318,877,235.37 = 51,026,756.85 : x
  2. Step 2: Convert to fraction form
    212,584,820.85/318,877,235.37 = 51,026,756.85/x
  3. Step 3: Cross multiply
    212,584,820.85x = 318,877,235.37 × 51,026,756.85
  4. Step 4: Simplify right side
    212,584,820.85x = 16,271,271,152,375,690
  5. Step 5: Solve for x
    x = 16,271,271,152,375,690/212,584,820.85
  6. Step 6: Final answer
    x = 76,540,136.25

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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.