Home / 199,312,720.40-298,969,080.60-186,558,136.40

Finding the Fourth Proportional to 199,312,720.40, 298,969,080.60 and 186,558,136.40

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Solution

The fourth proportional to 199,312,720.40, 298,969,080.60 and 186,558,136.40 is: 279,837,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,312,720.40 : 298,969,080.60 = 186,558,136.40 : x
  2. Step 2: Convert to fraction form
    199,312,720.40/298,969,080.60 = 186,558,136.40/x
  3. Step 3: Cross multiply
    199,312,720.40x = 298,969,080.60 × 186,558,136.40
  4. Step 4: Simplify right side
    199,312,720.40x = 55,775,114,517,957,400
  5. Step 5: Solve for x
    x = 55,775,114,517,957,400/199,312,720.40
  6. Step 6: Final answer
    x = 279,837,204.60

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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.