Finding the Fourth Proportional to 68,752,374,262.21, 94,878,280,856.84 and 38,267,901,623.05
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Solution
The fourth proportional to 68,752,374,262.21, 94,878,280,856.84 and 38,267,901,623.05 is: 52,809,706,674.94
Step by Step Solution
- Step 1: Write the proportion equation
68,752,374,262.21 : 94,878,280,856.84 = 38,267,901,623.05 : x - Step 2: Convert to fraction form
68,752,374,262.21/94,878,280,856.84 = 38,267,901,623.05/x - Step 3: Cross multiply
68,752,374,262.21x = 94,878,280,856.84 × 38,267,901,623.05 - Step 4: Simplify right side
68,752,374,262.21x = 3,630,792,717,993,279,750,144 - Step 5: Solve for x
x = 3,630,792,717,993,279,750,144/68,752,374,262.21 - Step 6: Final answer
x = 52,809,706,674.94
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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.