Home / 212,096,171.88-318,043,740.06-73,873,572.84

Finding the Fourth Proportional to 212,096,171.88, 318,043,740.06 and 73,873,572.84

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Solution

The fourth proportional to 212,096,171.88, 318,043,740.06 and 73,873,572.84 is: 110,775,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,096,171.88 : 318,043,740.06 = 73,873,572.84 : x
  2. Step 2: Convert to fraction form
    212,096,171.88/318,043,740.06 = 73,873,572.84/x
  3. Step 3: Cross multiply
    212,096,171.88x = 318,043,740.06 × 73,873,572.84
  4. Step 4: Simplify right side
    212,096,171.88x = 23,495,027,397,628,436
  5. Step 5: Solve for x
    x = 23,495,027,397,628,436/212,096,171.88
  6. Step 6: Final answer
    x = 110,775,348.70

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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.