Home / 199,295,246.40-298,942,869.60-55,688,078.40

Finding the Fourth Proportional to 199,295,246.40, 298,942,869.60 and 55,688,078.40

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Solution

The fourth proportional to 199,295,246.40, 298,942,869.60 and 55,688,078.40 is: 83,532,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,295,246.40 : 298,942,869.60 = 55,688,078.40 : x
  2. Step 2: Convert to fraction form
    199,295,246.40/298,942,869.60 = 55,688,078.40/x
  3. Step 3: Cross multiply
    199,295,246.40x = 298,942,869.60 × 55,688,078.40
  4. Step 4: Simplify right side
    199,295,246.40x = 16,647,553,959,405,778
  5. Step 5: Solve for x
    x = 16,647,553,959,405,778/199,295,246.40
  6. Step 6: Final answer
    x = 83,532,117.60

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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.