Home / 142,620,971.24-213,869,158.86-50,474,096.48

Finding the Fourth Proportional to 142,620,971.24, 213,869,158.86 and 50,474,096.48

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Solution

The fourth proportional to 142,620,971.24, 213,869,158.86 and 50,474,096.48 is: 75,689,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,620,971.24 : 213,869,158.86 = 50,474,096.48 : x
  2. Step 2: Convert to fraction form
    142,620,971.24/213,869,158.86 = 50,474,096.48/x
  3. Step 3: Cross multiply
    142,620,971.24x = 213,869,158.86 × 50,474,096.48
  4. Step 4: Simplify right side
    142,620,971.24x = 10,794,852,558,396,086
  5. Step 5: Solve for x
    x = 10,794,852,558,396,086/142,620,971.24
  6. Step 6: Final answer
    x = 75,689,097.22

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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.