Home / 199,291,253.40-298,936,880.10-91,585,877.40

Finding the Fourth Proportional to 199,291,253.40, 298,936,880.10 and 91,585,877.40

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Solution

The fourth proportional to 199,291,253.40, 298,936,880.10 and 91,585,877.40 is: 137,378,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,291,253.40 : 298,936,880.10 = 91,585,877.40 : x
  2. Step 2: Convert to fraction form
    199,291,253.40/298,936,880.10 = 91,585,877.40/x
  3. Step 3: Cross multiply
    199,291,253.40x = 298,936,880.10 × 91,585,877.40
  4. Step 4: Simplify right side
    199,291,253.40x = 27,378,396,451,177,104
  5. Step 5: Solve for x
    x = 27,378,396,451,177,104/199,291,253.40
  6. Step 6: Final answer
    x = 137,378,816.10

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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.