Finding the Fourth Proportional to 98,495,514.70, 147,743,272.05 and 30,329,349.10
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Solution
The fourth proportional to 98,495,514.70, 147,743,272.05 and 30,329,349.10 is: 45,494,023.65
Step by Step Solution
- Step 1: Write the proportion equation
98,495,514.70 : 147,743,272.05 = 30,329,349.10 : x - Step 2: Convert to fraction form
98,495,514.70/147,743,272.05 = 30,329,349.10/x - Step 3: Cross multiply
98,495,514.70x = 147,743,272.05 × 30,329,349.10 - Step 4: Simplify right side
98,495,514.70x = 4,480,957,275,180,723 - Step 5: Solve for x
x = 4,480,957,275,180,723/98,495,514.70 - Step 6: Final answer
x = 45,494,023.65
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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.