Home / 217,258,438.44-299,822,327.25-118,144,982.61

Finding the Fourth Proportional to 217,258,438.44, 299,822,327.25 and 118,144,982.61

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Solution

The fourth proportional to 217,258,438.44, 299,822,327.25 and 118,144,982.61 is: 163,043,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,258,438.44 : 299,822,327.25 = 118,144,982.61 : x
  2. Step 2: Convert to fraction form
    217,258,438.44/299,822,327.25 = 118,144,982.61/x
  3. Step 3: Cross multiply
    217,258,438.44x = 299,822,327.25 × 118,144,982.61
  4. Step 4: Simplify right side
    217,258,438.44x = 35,422,503,639,040,980
  5. Step 5: Solve for x
    x = 35,422,503,639,040,980/217,258,438.44
  6. Step 6: Final answer
    x = 163,043,165.98

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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.