Finding the Fourth Proportional to 158,976,495.10, 238,464,742.65 and 132,102,639.10
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Solution
The fourth proportional to 158,976,495.10, 238,464,742.65 and 132,102,639.10 is: 198,153,958.65
Step by Step Solution
- Step 1: Write the proportion equation
158,976,495.10 : 238,464,742.65 = 132,102,639.10 : x - Step 2: Convert to fraction form
158,976,495.10/238,464,742.65 = 132,102,639.10/x - Step 3: Cross multiply
158,976,495.10x = 238,464,742.65 × 132,102,639.10 - Step 4: Simplify right side
158,976,495.10x = 31,501,821,836,367,328 - Step 5: Solve for x
x = 31,501,821,836,367,328/158,976,495.10 - Step 6: Final answer
x = 198,153,958.65
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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.