Home / 112,336,939.80-168,505,409.70-99,582,355.80

Finding the Fourth Proportional to 112,336,939.80, 168,505,409.70 and 99,582,355.80

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Solution

The fourth proportional to 112,336,939.80, 168,505,409.70 and 99,582,355.80 is: 149,373,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,336,939.80 : 168,505,409.70 = 99,582,355.80 : x
  2. Step 2: Convert to fraction form
    112,336,939.80/168,505,409.70 = 99,582,355.80/x
  3. Step 3: Cross multiply
    112,336,939.80x = 168,505,409.70 × 99,582,355.80
  4. Step 4: Simplify right side
    112,336,939.80x = 16,780,165,662,970,170
  5. Step 5: Solve for x
    x = 16,780,165,662,970,170/112,336,939.80
  6. Step 6: Final answer
    x = 149,373,533.70

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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.