Home / 199,460,039.60-299,190,059.40-178,632,801.20

Finding the Fourth Proportional to 199,460,039.60, 299,190,059.40 and 178,632,801.20

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Solution

The fourth proportional to 199,460,039.60, 299,190,059.40 and 178,632,801.20 is: 267,949,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,460,039.60 : 299,190,059.40 = 178,632,801.20 : x
  2. Step 2: Convert to fraction form
    199,460,039.60/299,190,059.40 = 178,632,801.20/x
  3. Step 3: Cross multiply
    199,460,039.60x = 299,190,059.40 × 178,632,801.20
  4. Step 4: Simplify right side
    199,460,039.60x = 53,445,158,401,816,384
  5. Step 5: Solve for x
    x = 53,445,158,401,816,384/199,460,039.60
  6. Step 6: Final answer
    x = 267,949,201.80

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1.5x scale

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.