Finding the Fourth Proportional to 68,086,656,408.30, 102,129,984,612.45 and 36,740,990,769.90
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Solution
The fourth proportional to 68,086,656,408.30, 102,129,984,612.45 and 36,740,990,769.90 is: 55,111,486,154.85
Step by Step Solution
- Step 1: Write the proportion equation
68,086,656,408.30 : 102,129,984,612.45 = 36,740,990,769.90 : x - Step 2: Convert to fraction form
68,086,656,408.30/102,129,984,612.45 = 36,740,990,769.90/x - Step 3: Cross multiply
68,086,656,408.30x = 102,129,984,612.45 × 36,740,990,769.90 - Step 4: Simplify right side
68,086,656,408.30x = 3,752,356,821,976,054,497,280 - Step 5: Solve for x
x = 3,752,356,821,976,054,497,280/68,086,656,408.30 - Step 6: Final answer
x = 55,111,486,154.85
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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.