Finding the Fourth Proportional to 132,221,372.76, 182,463,170.94 and 73,484,034.84
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Solution
The fourth proportional to 132,221,372.76, 182,463,170.94 and 73,484,034.84 is: 101,406,676.78
Step by Step Solution
- Step 1: Write the proportion equation
132,221,372.76 : 182,463,170.94 = 73,484,034.84 : x - Step 2: Convert to fraction form
132,221,372.76/182,463,170.94 = 73,484,034.84/x - Step 3: Cross multiply
132,221,372.76x = 182,463,170.94 × 73,484,034.84 - Step 4: Simplify right side
132,221,372.76x = 13,408,130,010,371,836 - Step 5: Solve for x
x = 13,408,130,010,371,836/132,221,372.76 - Step 6: Final answer
x = 101,406,676.78
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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.