Finding the Fourth Proportional to 81,994,788.06, 113,154,151.84 and 48,957,924.14
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Solution
The fourth proportional to 81,994,788.06, 113,154,151.84 and 48,957,924.14 is: 67,562,737.99
Step by Step Solution
- Step 1: Write the proportion equation
81,994,788.06 : 113,154,151.84 = 48,957,924.14 : x - Step 2: Convert to fraction form
81,994,788.06/113,154,151.84 = 48,957,924.14/x - Step 3: Cross multiply
81,994,788.06x = 113,154,151.84 × 48,957,924.14 - Step 4: Simplify right side
81,994,788.06x = 5,539,792,381,908,762 - Step 5: Solve for x
x = 5,539,792,381,908,762/81,994,788.06 - Step 6: Final answer
x = 67,562,737.99
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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.