Finding the Fourth Proportional to 84,511,564.17, 126,394,747.05 and 73,569,784.47
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Solution
The fourth proportional to 84,511,564.17, 126,394,747.05 and 73,569,784.47 is: 110,030,318.22
Step by Step Solution
- Step 1: Write the proportion equation
84,511,564.17 : 126,394,747.05 = 73,569,784.47 : x - Step 2: Convert to fraction form
84,511,564.17/126,394,747.05 = 73,569,784.47/x - Step 3: Cross multiply
84,511,564.17x = 126,394,747.05 × 73,569,784.47 - Step 4: Simplify right side
84,511,564.17x = 9,298,834,298,608,668 - Step 5: Solve for x
x = 9,298,834,298,608,668/84,511,564.17 - Step 6: Final answer
x = 110,030,318.22
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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.