Home / 199,325,918.40-298,988,877.60-117,360,657.60

Finding the Fourth Proportional to 199,325,918.40, 298,988,877.60 and 117,360,657.60

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Solution

The fourth proportional to 199,325,918.40, 298,988,877.60 and 117,360,657.60 is: 176,040,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,325,918.40 : 298,988,877.60 = 117,360,657.60 : x
  2. Step 2: Convert to fraction form
    199,325,918.40/298,988,877.60 = 117,360,657.60/x
  3. Step 3: Cross multiply
    199,325,918.40x = 298,988,877.60 × 117,360,657.60
  4. Step 4: Simplify right side
    199,325,918.40x = 35,089,531,290,221,912
  5. Step 5: Solve for x
    x = 35,089,531,290,221,912/199,325,918.40
  6. Step 6: Final answer
    x = 176,040,986.40

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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.