Finding the Fourth Proportional to 84,901,365.75, 117,164,281.51 and 48,233,948.79
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Solution
The fourth proportional to 84,901,365.75, 117,164,281.51 and 48,233,948.79 is: 66,563,074.75
Step by Step Solution
- Step 1: Write the proportion equation
84,901,365.75 : 117,164,281.51 = 48,233,948.79 : x - Step 2: Convert to fraction form
84,901,365.75/117,164,281.51 = 48,233,948.79/x - Step 3: Cross multiply
84,901,365.75x = 117,164,281.51 × 48,233,948.79 - Step 4: Simplify right side
84,901,365.75x = 5,651,295,954,663,394 - Step 5: Solve for x
x = 5,651,295,954,663,394/84,901,365.75 - Step 6: Final answer
x = 66,563,074.75
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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.