Finding the Fourth Proportional to 135,350,798.18, 186,787,071.05 and 82,429,986.02
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Solution
The fourth proportional to 135,350,798.18, 186,787,071.05 and 82,429,986.02 is: 113,755,189.19
Step by Step Solution
- Step 1: Write the proportion equation
135,350,798.18 : 186,787,071.05 = 82,429,986.02 : x - Step 2: Convert to fraction form
135,350,798.18/186,787,071.05 = 82,429,986.02/x - Step 3: Cross multiply
135,350,798.18x = 186,787,071.05 × 82,429,986.02 - Step 4: Simplify right side
135,350,798.18x = 15,396,855,654,022,160 - Step 5: Solve for x
x = 15,396,855,654,022,160/135,350,798.18 - Step 6: Final answer
x = 113,755,189.19
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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.