Finding the Fourth Proportional to 81,913,682.19, 122,888,850.35 and 30,796,143.87
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Solution
The fourth proportional to 81,913,682.19, 122,888,850.35 and 30,796,143.87 is: 46,201,106.02
Step by Step Solution
- Step 1: Write the proportion equation
81,913,682.19 : 122,888,850.35 = 30,796,143.87 : x - Step 2: Convert to fraction form
81,913,682.19/122,888,850.35 = 30,796,143.87/x - Step 3: Cross multiply
81,913,682.19x = 122,888,850.35 × 30,796,143.87 - Step 4: Simplify right side
81,913,682.19x = 3,784,502,715,397,500 - Step 5: Solve for x
x = 3,784,502,715,397,500/81,913,682.19 - Step 6: Final answer
x = 46,201,106.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.