Finding the Fourth Proportional to 132,471,342.84, 182,779,181.58 and 111,358,393.40
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Solution
The fourth proportional to 132,471,342.84, 182,779,181.58 and 111,358,393.40 is: 153,648,295.33
Step by Step Solution
- Step 1: Write the proportion equation
132,471,342.84 : 182,779,181.58 = 111,358,393.40 : x - Step 2: Convert to fraction form
132,471,342.84/182,779,181.58 = 111,358,393.40/x - Step 3: Cross multiply
132,471,342.84x = 182,779,181.58 × 111,358,393.40 - Step 4: Simplify right side
132,471,342.84x = 20,353,996,006,801,780 - Step 5: Solve for x
x = 20,353,996,006,801,780/132,471,342.84 - Step 6: Final answer
x = 153,648,295.33
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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.