Home / 212,584,820.34-318,877,234.62-51,026,756.34

Finding the Fourth Proportional to 212,584,820.34, 318,877,234.62 and 51,026,756.34

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Solution

The fourth proportional to 212,584,820.34, 318,877,234.62 and 51,026,756.34 is: 76,540,135.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,584,820.34 : 318,877,234.62 = 51,026,756.34 : x
  2. Step 2: Convert to fraction form
    212,584,820.34/318,877,234.62 = 51,026,756.34/x
  3. Step 3: Cross multiply
    212,584,820.34x = 318,877,234.62 × 51,026,756.34
  4. Step 4: Simplify right side
    212,584,820.34x = 16,271,270,954,332,190
  5. Step 5: Solve for x
    x = 16,271,270,954,332,190/212,584,820.34
  6. Step 6: Final answer
    x = 76,540,135.50

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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.