Finding the Fourth Proportional to 71,282,638.61, 98,414,469.74 and 48,994,003.07
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Solution
The fourth proportional to 71,282,638.61, 98,414,469.74 and 48,994,003.07 is: 67,642,260.82
Step by Step Solution
- Step 1: Write the proportion equation
71,282,638.61 : 98,414,469.74 = 48,994,003.07 : x - Step 2: Convert to fraction form
71,282,638.61/98,414,469.74 = 48,994,003.07/x - Step 3: Cross multiply
71,282,638.61x = 98,414,469.74 × 48,994,003.07 - Step 4: Simplify right side
71,282,638.61x = 4,821,718,832,204,395 - Step 5: Solve for x
x = 4,821,718,832,204,395/71,282,638.61 - Step 6: Final answer
x = 67,642,260.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.