Finding the Fourth Proportional to 134,652,830.22, 201,979,245.80 and 103,992,131.07
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Solution
The fourth proportional to 134,652,830.22, 201,979,245.80 and 103,992,131.07 is: 155,988,196.97
Step by Step Solution
- Step 1: Write the proportion equation
134,652,830.22 : 201,979,245.80 = 103,992,131.07 : x - Step 2: Convert to fraction form
134,652,830.22/201,979,245.80 = 103,992,131.07/x - Step 3: Cross multiply
134,652,830.22x = 201,979,245.80 × 103,992,131.07 - Step 4: Simplify right side
134,652,830.22x = 21,004,252,202,913,328 - Step 5: Solve for x
x = 21,004,252,202,913,328/134,652,830.22 - Step 6: Final answer
x = 155,988,196.97
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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.