Home / 196,289,906.45-270,890,723.43-112,657,368.42

Finding the Fourth Proportional to 196,289,906.45, 270,890,723.43 and 112,657,368.42

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Solution

The fourth proportional to 196,289,906.45, 270,890,723.43 and 112,657,368.42 is: 155,473,282.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,289,906.45 : 270,890,723.43 = 112,657,368.42 : x
  2. Step 2: Convert to fraction form
    196,289,906.45/270,890,723.43 = 112,657,368.42/x
  3. Step 3: Cross multiply
    196,289,906.45x = 270,890,723.43 × 112,657,368.42
  4. Step 4: Simplify right side
    196,289,906.45x = 30,517,836,031,013,836
  5. Step 5: Solve for x
    x = 30,517,836,031,013,836/196,289,906.45
  6. Step 6: Final answer
    x = 155,473,282.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.