Finding the Fourth Proportional to 145,817,080,448.99, 201,223,202,505.22 and 80,714,176,284.26
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Solution
The fourth proportional to 145,817,080,448.99, 201,223,202,505.22 and 80,714,176,284.26 is: 111,383,145,167.08
Step by Step Solution
- Step 1: Write the proportion equation
145,817,080,448.99 : 201,223,202,505.22 = 80,714,176,284.26 : x - Step 2: Convert to fraction form
145,817,080,448.99/201,223,202,505.22 = 80,714,176,284.26/x - Step 3: Cross multiply
145,817,080,448.99x = 201,223,202,505.22 × 80,714,176,284.26 - Step 4: Simplify right side
145,817,080,448.99x = 16,241,565,039,490,280,456,192 - Step 5: Solve for x
x = 16,241,565,039,490,280,456,192/145,817,080,448.99 - Step 6: Final answer
x = 111,383,145,167.08
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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.