Finding the Fourth Proportional to 68,405,245,153.61, 102,624,958,199.45 and 48,275,973,730.95
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Solution
The fourth proportional to 68,405,245,153.61, 102,624,958,199.45 and 48,275,973,730.95 is: 72,426,021,938.09
Step by Step Solution
- Step 1: Write the proportion equation
68,405,245,153.61 : 102,624,958,199.45 = 48,275,973,730.95 : x - Step 2: Convert to fraction form
68,405,245,153.61/102,624,958,199.45 = 48,275,973,730.95/x - Step 3: Cross multiply
68,405,245,153.61x = 102,624,958,199.45 × 48,275,973,730.95 - Step 4: Simplify right side
68,405,245,153.61x = 4,954,319,786,175,976,439,808 - Step 5: Solve for x
x = 4,954,319,786,175,976,439,808/68,405,245,153.61 - Step 6: Final answer
x = 72,426,021,938.09
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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.