Home / 199,312,885.80-298,647,402.30-112,793,999.40

Finding the Fourth Proportional to 199,312,885.80, 298,647,402.30 and 112,793,999.40

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Solution

The fourth proportional to 199,312,885.80, 298,647,402.30 and 112,793,999.40 is: 169,008,816.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,312,885.80 : 298,647,402.30 = 112,793,999.40 : x
  2. Step 2: Convert to fraction form
    199,312,885.80/298,647,402.30 = 112,793,999.40/x
  3. Step 3: Cross multiply
    199,312,885.80x = 298,647,402.30 × 112,793,999.40
  4. Step 4: Simplify right side
    199,312,885.80x = 33,685,634,915,837,760
  5. Step 5: Solve for x
    x = 33,685,634,915,837,760/199,312,885.80
  6. Step 6: Final answer
    x = 169,008,816.37

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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.