Home / 222,435,906.40-333,653,859.60-207,319,362.40

Finding the Fourth Proportional to 222,435,906.40, 333,653,859.60 and 207,319,362.40

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Solution

The fourth proportional to 222,435,906.40, 333,653,859.60 and 207,319,362.40 is: 310,979,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,435,906.40 : 333,653,859.60 = 207,319,362.40 : x
  2. Step 2: Convert to fraction form
    222,435,906.40/333,653,859.60 = 207,319,362.40/x
  3. Step 3: Cross multiply
    222,435,906.40x = 333,653,859.60 × 207,319,362.40
  4. Step 4: Simplify right side
    222,435,906.40x = 69,172,905,434,571,128
  5. Step 5: Solve for x
    x = 69,172,905,434,571,128/222,435,906.40
  6. Step 6: Final answer
    x = 310,979,043.60

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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.