Finding the Fourth Proportional to 84,933,495.54, 117,207,106.52 and 47,763,765.18
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Solution
The fourth proportional to 84,933,495.54, 117,207,106.52 and 47,763,765.18 is: 65,913,367.60
Step by Step Solution
- Step 1: Write the proportion equation
84,933,495.54 : 117,207,106.52 = 47,763,765.18 : x - Step 2: Convert to fraction form
84,933,495.54/117,207,106.52 = 47,763,765.18/x - Step 3: Cross multiply
84,933,495.54x = 117,207,106.52 × 47,763,765.18 - Step 4: Simplify right side
84,933,495.54x = 5,598,252,713,009,708 - Step 5: Solve for x
x = 5,598,252,713,009,708/84,933,495.54 - Step 6: Final answer
x = 65,913,367.60
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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.