Home / 290,168,367.20-434,685,680.40-174,810,240.80

Finding the Fourth Proportional to 290,168,367.20, 434,685,680.40 and 174,810,240.80

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Solution

The fourth proportional to 290,168,367.20, 434,685,680.40 and 174,810,240.80 is: 261,873,853.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,168,367.20 : 434,685,680.40 = 174,810,240.80 : x
  2. Step 2: Convert to fraction form
    290,168,367.20/434,685,680.40 = 174,810,240.80/x
  3. Step 3: Cross multiply
    290,168,367.20x = 434,685,680.40 × 174,810,240.80
  4. Step 4: Simplify right side
    290,168,367.20x = 75,987,508,463,035,840
  5. Step 5: Solve for x
    x = 75,987,508,463,035,840/290,168,367.20
  6. Step 6: Final answer
    x = 261,873,853.43

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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.