Home / 128,268,002.60-192,402,003.90-37,394,556.20

Finding the Fourth Proportional to 128,268,002.60, 192,402,003.90 and 37,394,556.20

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Solution

The fourth proportional to 128,268,002.60, 192,402,003.90 and 37,394,556.20 is: 56,091,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,268,002.60 : 192,402,003.90 = 37,394,556.20 : x
  2. Step 2: Convert to fraction form
    128,268,002.60/192,402,003.90 = 37,394,556.20/x
  3. Step 3: Cross multiply
    128,268,002.60x = 192,402,003.90 × 37,394,556.20
  4. Step 4: Simplify right side
    128,268,002.60x = 7,194,787,547,831,170
  5. Step 5: Solve for x
    x = 7,194,787,547,831,170/128,268,002.60
  6. Step 6: Final answer
    x = 56,091,834.30

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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.