Finding the Fourth Proportional to 98,663,676.30, 147,995,514.45 and 97,152,021.90
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Solution
The fourth proportional to 98,663,676.30, 147,995,514.45 and 97,152,021.90 is: 145,728,032.85
Step by Step Solution
- Step 1: Write the proportion equation
98,663,676.30 : 147,995,514.45 = 97,152,021.90 : x - Step 2: Convert to fraction form
98,663,676.30/147,995,514.45 = 97,152,021.90/x - Step 3: Cross multiply
98,663,676.30x = 147,995,514.45 × 97,152,021.90 - Step 4: Simplify right side
98,663,676.30x = 14,378,063,460,948,166 - Step 5: Solve for x
x = 14,378,063,460,948,166/98,663,676.30 - Step 6: Final answer
x = 145,728,032.85
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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.