Home / 199,291,220.40-298,936,830.60-55,684,052.40

Finding the Fourth Proportional to 199,291,220.40, 298,936,830.60 and 55,684,052.40

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Solution

The fourth proportional to 199,291,220.40, 298,936,830.60 and 55,684,052.40 is: 83,526,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,291,220.40 : 298,936,830.60 = 55,684,052.40 : x
  2. Step 2: Convert to fraction form
    199,291,220.40/298,936,830.60 = 55,684,052.40/x
  3. Step 3: Cross multiply
    199,291,220.40x = 298,936,830.60 × 55,684,052.40
  4. Step 4: Simplify right side
    199,291,220.40x = 16,646,014,139,420,324
  5. Step 5: Solve for x
    x = 16,646,014,139,420,324/199,291,220.40
  6. Step 6: Final answer
    x = 83,526,078.60

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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.