Home / 196,289,907.45-270,890,724.81-112,657,369.42

Finding the Fourth Proportional to 196,289,907.45, 270,890,724.81 and 112,657,369.42

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Solution

The fourth proportional to 196,289,907.45, 270,890,724.81 and 112,657,369.42 is: 155,473,283.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,289,907.45 : 270,890,724.81 = 112,657,369.42 : x
  2. Step 2: Convert to fraction form
    196,289,907.45/270,890,724.81 = 112,657,369.42/x
  3. Step 3: Cross multiply
    196,289,907.45x = 270,890,724.81 × 112,657,369.42
  4. Step 4: Simplify right side
    196,289,907.45x = 30,517,836,457,371,732
  5. Step 5: Solve for x
    x = 30,517,836,457,371,732/196,289,907.45
  6. Step 6: Final answer
    x = 155,473,283.64

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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.