Finding the Fourth Proportional to 135,301,320.05, 186,715,821.68 and 73,421,658.61
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Solution
The fourth proportional to 135,301,320.05, 186,715,821.68 and 73,421,658.61 is: 101,321,888.89
Step by Step Solution
- Step 1: Write the proportion equation
135,301,320.05 : 186,715,821.68 = 73,421,658.61 : x - Step 2: Convert to fraction form
135,301,320.05/186,715,821.68 = 73,421,658.61/x - Step 3: Cross multiply
135,301,320.05x = 186,715,821.68 × 73,421,658.61 - Step 4: Simplify right side
135,301,320.05x = 13,708,985,317,378,936 - Step 5: Solve for x
x = 13,708,985,317,378,936/135,301,320.05 - Step 6: Final answer
x = 101,321,888.89
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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.