Home / 199,326,069.40-298,989,104.10-117,360,808.60

Finding the Fourth Proportional to 199,326,069.40, 298,989,104.10 and 117,360,808.60

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Solution

The fourth proportional to 199,326,069.40, 298,989,104.10 and 117,360,808.60 is: 176,041,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,326,069.40 : 298,989,104.10 = 117,360,808.60 : x
  2. Step 2: Convert to fraction form
    199,326,069.40/298,989,104.10 = 117,360,808.60/x
  3. Step 3: Cross multiply
    199,326,069.40x = 298,989,104.10 × 117,360,808.60
  4. Step 4: Simplify right side
    199,326,069.40x = 35,089,603,019,765,576
  5. Step 5: Solve for x
    x = 35,089,603,019,765,576/199,326,069.40
  6. Step 6: Final answer
    x = 176,041,212.90

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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.