Home / 300,190,527.45-414,267,158.01-172,960,889.52

Finding the Fourth Proportional to 300,190,527.45, 414,267,158.01 and 172,960,889.52

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Solution

The fourth proportional to 300,190,527.45, 414,267,158.01 and 172,960,889.52 is: 238,688,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,190,527.45 : 414,267,158.01 = 172,960,889.52 : x
  2. Step 2: Convert to fraction form
    300,190,527.45/414,267,158.01 = 172,960,889.52/x
  3. Step 3: Cross multiply
    300,190,527.45x = 414,267,158.01 × 172,960,889.52
  4. Step 4: Simplify right side
    300,190,527.45x = 71,652,016,148,331,992
  5. Step 5: Solve for x
    x = 71,652,016,148,331,992/300,190,527.45
  6. Step 6: Final answer
    x = 238,688,464.81

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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.