Home / 199,049,911.60-298,574,867.40-112,956,469.60

Finding the Fourth Proportional to 199,049,911.60, 298,574,867.40 and 112,956,469.60

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Solution

The fourth proportional to 199,049,911.60, 298,574,867.40 and 112,956,469.60 is: 169,434,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,049,911.60 : 298,574,867.40 = 112,956,469.60 : x
  2. Step 2: Convert to fraction form
    199,049,911.60/298,574,867.40 = 112,956,469.60/x
  3. Step 3: Cross multiply
    199,049,911.60x = 298,574,867.40 × 112,956,469.60
  4. Step 4: Simplify right side
    199,049,911.60x = 33,725,962,932,792,128
  5. Step 5: Solve for x
    x = 33,725,962,932,792,128/199,049,911.60
  6. Step 6: Final answer
    x = 169,434,704.40

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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.