Finding the Fourth Proportional to 141,527,041.40, 212,371,459.24 and 76,836,106.28
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Solution
The fourth proportional to 141,527,041.40, 212,371,459.24 and 76,836,106.28 is: 115,298,079.09
Step by Step Solution
- Step 1: Write the proportion equation
141,527,041.40 : 212,371,459.24 = 76,836,106.28 : x - Step 2: Convert to fraction form
141,527,041.40/212,371,459.24 = 76,836,106.28/x - Step 3: Cross multiply
141,527,041.40x = 212,371,459.24 × 76,836,106.28 - Step 4: Simplify right side
141,527,041.40x = 16,317,796,013,003,330 - Step 5: Solve for x
x = 16,317,796,013,003,330/141,527,041.40 - Step 6: Final answer
x = 115,298,079.09
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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.