Finding the Fourth Proportional to 186,207,452.85, 256,926,970.11 and 107,886,237.06
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Solution
The fourth proportional to 186,207,452.85, 256,926,970.11 and 107,886,237.06 is: 148,860,228.63
Step by Step Solution
- Step 1: Write the proportion equation
186,207,452.85 : 256,926,970.11 = 107,886,237.06 : x - Step 2: Convert to fraction form
186,207,452.85/256,926,970.11 = 107,886,237.06/x - Step 3: Cross multiply
186,207,452.85x = 256,926,970.11 × 107,886,237.06 - Step 4: Simplify right side
186,207,452.85x = 27,718,884,004,394,996 - Step 5: Solve for x
x = 27,718,884,004,394,996/186,207,452.85 - Step 6: Final answer
x = 148,860,228.63
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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.