Finding the Fourth Proportional to 98,567,630.24, 136,017,819.58 and 53,904,781.85
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Solution
The fourth proportional to 98,567,630.24, 136,017,819.58 and 53,904,781.85 is: 74,385,585.55
Step by Step Solution
- Step 1: Write the proportion equation
98,567,630.24 : 136,017,819.58 = 53,904,781.85 : x - Step 2: Convert to fraction form
98,567,630.24/136,017,819.58 = 53,904,781.85/x - Step 3: Cross multiply
98,567,630.24x = 136,017,819.58 × 53,904,781.85 - Step 4: Simplify right side
98,567,630.24x = 7,332,010,891,832,514 - Step 5: Solve for x
x = 7,332,010,891,832,514/98,567,630.24 - Step 6: Final answer
x = 74,385,585.55
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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.