Home / 107,705,378,688.80-161,558,068,033.20-72,441,504,845.60

Finding the Fourth Proportional to 107,705,378,688.80, 161,558,068,033.20 and 72,441,504,845.60

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Solution

The fourth proportional to 107,705,378,688.80, 161,558,068,033.20 and 72,441,504,845.60 is: 108,662,257,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,705,378,688.80 : 161,558,068,033.20 = 72,441,504,845.60 : x
  2. Step 2: Convert to fraction form
    107,705,378,688.80/161,558,068,033.20 = 72,441,504,845.60/x
  3. Step 3: Cross multiply
    107,705,378,688.80x = 161,558,068,033.20 × 72,441,504,845.60
  4. Step 4: Simplify right side
    107,705,378,688.80x = 11,703,509,568,272,835,018,752
  5. Step 5: Solve for x
    x = 11,703,509,568,272,835,018,752/107,705,378,688.80
  6. Step 6: Final answer
    x = 108,662,257,268.40

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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.