Home / 168,146,595.51-252,292,708.05-90,332,709.03

Finding the Fourth Proportional to 168,146,595.51, 252,292,708.05 and 90,332,709.03

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Solution

The fourth proportional to 168,146,595.51, 252,292,708.05 and 90,332,709.03 is: 135,538,181.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,146,595.51 : 252,292,708.05 = 90,332,709.03 : x
  2. Step 2: Convert to fraction form
    168,146,595.51/252,292,708.05 = 90,332,709.03/x
  3. Step 3: Cross multiply
    168,146,595.51x = 252,292,708.05 × 90,332,709.03
  4. Step 4: Simplify right side
    168,146,595.51x = 22,790,283,786,671,392
  5. Step 5: Solve for x
    x = 22,790,283,786,671,392/168,146,595.51
  6. Step 6: Final answer
    x = 135,538,181.53

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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.