Home / 199,289,426.40-298,934,139.60-55,682,258.40

Finding the Fourth Proportional to 199,289,426.40, 298,934,139.60 and 55,682,258.40

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Solution

The fourth proportional to 199,289,426.40, 298,934,139.60 and 55,682,258.40 is: 83,523,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,289,426.40 : 298,934,139.60 = 55,682,258.40 : x
  2. Step 2: Convert to fraction form
    199,289,426.40/298,934,139.60 = 55,682,258.40/x
  3. Step 3: Cross multiply
    199,289,426.40x = 298,934,139.60 × 55,682,258.40
  4. Step 4: Simplify right side
    199,289,426.40x = 16,645,328,005,788,874
  5. Step 5: Solve for x
    x = 16,645,328,005,788,874/199,289,426.40
  6. Step 6: Final answer
    x = 83,523,387.60

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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.