Finding the Fourth Proportional to 294,577,971.96, 441,738,888.12 and 84,442,378.56
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Solution
The fourth proportional to 294,577,971.96, 441,738,888.12 and 84,442,378.56 is: 126,626,855.93
Step by Step Solution
- Step 1: Write the proportion equation
294,577,971.96 : 441,738,888.12 = 84,442,378.56 : x - Step 2: Convert to fraction form
294,577,971.96/441,738,888.12 = 84,442,378.56/x - Step 3: Cross multiply
294,577,971.96x = 441,738,888.12 × 84,442,378.56 - Step 4: Simplify right side
294,577,971.96x = 37,301,482,415,302,528 - Step 5: Solve for x
x = 37,301,482,415,302,528/294,577,971.96 - Step 6: Final answer
x = 126,626,855.93
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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.