Home / 168,235,200.30-252,352,800.45-91,707,696.30

Finding the Fourth Proportional to 168,235,200.30, 252,352,800.45 and 91,707,696.30

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Solution

The fourth proportional to 168,235,200.30, 252,352,800.45 and 91,707,696.30 is: 137,561,544.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,235,200.30 : 252,352,800.45 = 91,707,696.30 : x
  2. Step 2: Convert to fraction form
    168,235,200.30/252,352,800.45 = 91,707,696.30/x
  3. Step 3: Cross multiply
    168,235,200.30x = 252,352,800.45 × 91,707,696.30
  4. Step 4: Simplify right side
    168,235,200.30x = 23,142,693,984,123,100
  5. Step 5: Solve for x
    x = 23,142,693,984,123,100/168,235,200.30
  6. Step 6: Final answer
    x = 137,561,544.45

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1.5x scale

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.