Finding the Fourth Proportional to 97,802,309.70, 146,703,464.55 and 63,790,085.70
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Solution
The fourth proportional to 97,802,309.70, 146,703,464.55 and 63,790,085.70 is: 95,685,128.55
Step by Step Solution
- Step 1: Write the proportion equation
97,802,309.70 : 146,703,464.55 = 63,790,085.70 : x - Step 2: Convert to fraction form
97,802,309.70/146,703,464.55 = 63,790,085.70/x - Step 3: Cross multiply
97,802,309.70x = 146,703,464.55 × 63,790,085.70 - Step 4: Simplify right side
97,802,309.70x = 9,358,226,576,131,414 - Step 5: Solve for x
x = 9,358,226,576,131,414/97,802,309.70 - Step 6: Final answer
x = 95,685,128.55
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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.