Finding the Fourth Proportional to 45,756,071.51, 68,634,052.19 and 11,677,421.03
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Solution
The fourth proportional to 45,756,071.51, 68,634,052.19 and 11,677,421.03 is: 17,516,117.49
Step by Step Solution
- Step 1: Write the proportion equation
45,756,071.51 : 68,634,052.19 = 11,677,421.03 : x - Step 2: Convert to fraction form
45,756,071.51/68,634,052.19 = 11,677,421.03/x - Step 3: Cross multiply
45,756,071.51x = 68,634,052.19 × 11,677,421.03 - Step 4: Simplify right side
45,756,071.51x = 801,468,724,359,236.38 - Step 5: Solve for x
x = 801,468,724,359,236.38/45,756,071.51 - Step 6: Final answer
x = 17,516,117.49
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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.