Home / 193,536,047.70-290,304,071.55-72,351,753.30

Finding the Fourth Proportional to 193,536,047.70, 290,304,071.55 and 72,351,753.30

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Solution

The fourth proportional to 193,536,047.70, 290,304,071.55 and 72,351,753.30 is: 108,527,629.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,536,047.70 : 290,304,071.55 = 72,351,753.30 : x
  2. Step 2: Convert to fraction form
    193,536,047.70/290,304,071.55 = 72,351,753.30/x
  3. Step 3: Cross multiply
    193,536,047.70x = 290,304,071.55 × 72,351,753.30
  4. Step 4: Simplify right side
    193,536,047.70x = 21,004,008,566,771,148
  5. Step 5: Solve for x
    x = 21,004,008,566,771,148/193,536,047.70
  6. Step 6: Final answer
    x = 108,527,629.95

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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.