Home / 168,235,256.80-252,253,352.40-87,613,688.80

Finding the Fourth Proportional to 168,235,256.80, 252,253,352.40 and 87,613,688.80

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Solution

The fourth proportional to 168,235,256.80, 252,253,352.40 and 87,613,688.80 is: 131,368,698.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,235,256.80 : 252,253,352.40 = 87,613,688.80 : x
  2. Step 2: Convert to fraction form
    168,235,256.80/252,253,352.40 = 87,613,688.80/x
  3. Step 3: Cross multiply
    168,235,256.80x = 252,253,352.40 × 87,613,688.80
  4. Step 4: Simplify right side
    168,235,256.80x = 22,100,846,715,930,332
  5. Step 5: Solve for x
    x = 22,100,846,715,930,332/168,235,256.80
  6. Step 6: Final answer
    x = 131,368,698.43

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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.