Home / 217,964,390.40-300,792,262.32-118,846,770.48

Finding the Fourth Proportional to 217,964,390.40, 300,792,262.32 and 118,846,770.48

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Solution

The fourth proportional to 217,964,390.40, 300,792,262.32 and 118,846,770.48 is: 164,009,308.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,964,390.40 : 300,792,262.32 = 118,846,770.48 : x
  2. Step 2: Convert to fraction form
    217,964,390.40/300,792,262.32 = 118,846,770.48/x
  3. Step 3: Cross multiply
    217,964,390.40x = 300,792,262.32 × 118,846,770.48
  4. Step 4: Simplify right side
    217,964,390.40x = 35,748,188,962,104,992
  5. Step 5: Solve for x
    x = 35,748,188,962,104,992/217,964,390.40
  6. Step 6: Final answer
    x = 164,009,308.57

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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.