Home / 165,785,272,202.43-228,783,673,867.90-89,661,686,197.64

Finding the Fourth Proportional to 165,785,272,202.43, 228,783,673,867.90 and 89,661,686,197.64

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Solution

The fourth proportional to 165,785,272,202.43, 228,783,673,867.90 and 89,661,686,197.64 is: 123,733,125,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,785,272,202.43 : 228,783,673,867.90 = 89,661,686,197.64 : x
  2. Step 2: Convert to fraction form
    165,785,272,202.43/228,783,673,867.90 = 89,661,686,197.64/x
  3. Step 3: Cross multiply
    165,785,272,202.43x = 228,783,673,867.90 × 89,661,686,197.64
  4. Step 4: Simplify right side
    165,785,272,202.43x = 20,513,129,973,485,716,635,648
  5. Step 5: Solve for x
    x = 20,513,129,973,485,716,635,648/165,785,272,202.43
  6. Step 6: Final answer
    x = 123,733,125,994.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.