Finding the Fourth Proportional to 255,979,481.06, 353,251,455.63 and 144,493,788.26
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Solution
The fourth proportional to 255,979,481.06, 353,251,455.63 and 144,493,788.26 is: 199,401,298.97
Step by Step Solution
- Step 1: Write the proportion equation
255,979,481.06 : 353,251,455.63 = 144,493,788.26 : x - Step 2: Convert to fraction form
255,979,481.06/353,251,455.63 = 144,493,788.26/x - Step 3: Cross multiply
255,979,481.06x = 353,251,455.63 × 144,493,788.26 - Step 4: Simplify right side
255,979,481.06x = 51,042,641,032,338,000 - Step 5: Solve for x
x = 51,042,641,032,338,000/255,979,481.06 - Step 6: Final answer
x = 199,401,298.97
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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.