Finding the Fourth Proportional to 190,251,827.10, 262,531,485.99 and 105,481,207.98
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Solution
The fourth proportional to 190,251,827.10, 262,531,485.99 and 105,481,207.98 is: 145,555,176.51
Step by Step Solution
- Step 1: Write the proportion equation
190,251,827.10 : 262,531,485.99 = 105,481,207.98 : x - Step 2: Convert to fraction form
190,251,827.10/262,531,485.99 = 105,481,207.98/x - Step 3: Cross multiply
190,251,827.10x = 262,531,485.99 × 105,481,207.98 - Step 4: Simplify right side
190,251,827.10x = 27,692,138,275,009,648 - Step 5: Solve for x
x = 27,692,138,275,009,648/190,251,827.10 - Step 6: Final answer
x = 145,555,176.51
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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.