Home / 222,738,977.31-306,289,528.76-193,319,076.05

Finding the Fourth Proportional to 222,738,977.31, 306,289,528.76 and 193,319,076.05

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Solution

The fourth proportional to 222,738,977.31, 306,289,528.76 and 193,319,076.05 is: 265,834,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,738,977.31 : 306,289,528.76 = 193,319,076.05 : x
  2. Step 2: Convert to fraction form
    222,738,977.31/306,289,528.76 = 193,319,076.05/x
  3. Step 3: Cross multiply
    222,738,977.31x = 306,289,528.76 × 193,319,076.05
  4. Step 4: Simplify right side
    222,738,977.31x = 59,211,608,701,175,056
  5. Step 5: Solve for x
    x = 59,211,608,701,175,056/222,738,977.31
  6. Step 6: Final answer
    x = 265,834,069.17

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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.