Home / 168,176,313.20-252,335,328.60-91,554,330.80

Finding the Fourth Proportional to 168,176,313.20, 252,335,328.60 and 91,554,330.80

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Solution

The fourth proportional to 168,176,313.20, 252,335,328.60 and 91,554,330.80 is: 137,370,071.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,176,313.20 : 252,335,328.60 = 91,554,330.80 : x
  2. Step 2: Convert to fraction form
    168,176,313.20/252,335,328.60 = 91,554,330.80/x
  3. Step 3: Cross multiply
    168,176,313.20x = 252,335,328.60 × 91,554,330.80
  4. Step 4: Simplify right side
    168,176,313.20x = 23,102,392,147,171,100
  5. Step 5: Solve for x
    x = 23,102,392,147,171,100/168,176,313.20
  6. Step 6: Final answer
    x = 137,370,071.37

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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.