Finding the Fourth Proportional to 341,873,319.60, 512,809,979.40 and 99,544,129.20
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Solution
The fourth proportional to 341,873,319.60, 512,809,979.40 and 99,544,129.20 is: 149,316,193.80
Step by Step Solution
- Step 1: Write the proportion equation
341,873,319.60 : 512,809,979.40 = 99,544,129.20 : x - Step 2: Convert to fraction form
341,873,319.60/512,809,979.40 = 99,544,129.20/x - Step 3: Cross multiply
341,873,319.60x = 512,809,979.40 × 99,544,129.20 - Step 4: Simplify right side
341,873,319.60x = 51,047,222,844,442,936 - Step 5: Solve for x
x = 51,047,222,844,442,936/341,873,319.60 - Step 6: Final answer
x = 149,316,193.80
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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.