Home / 132,864,047.20-199,296,070.80-131,072,456.80

Finding the Fourth Proportional to 132,864,047.20, 199,296,070.80 and 131,072,456.80

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Solution

The fourth proportional to 132,864,047.20, 199,296,070.80 and 131,072,456.80 is: 196,608,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,864,047.20 : 199,296,070.80 = 131,072,456.80 : x
  2. Step 2: Convert to fraction form
    132,864,047.20/199,296,070.80 = 131,072,456.80/x
  3. Step 3: Cross multiply
    132,864,047.20x = 199,296,070.80 × 131,072,456.80
  4. Step 4: Simplify right side
    132,864,047.20x = 26,122,225,630,342,744
  5. Step 5: Solve for x
    x = 26,122,225,630,342,744/132,864,047.20
  6. Step 6: Final answer
    x = 196,608,685.20

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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.