Finding the Fourth Proportional to 106,171,844.99, 146,521,691.82 and 59,128,918.16
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Solution
The fourth proportional to 106,171,844.99, 146,521,691.82 and 59,128,918.16 is: 81,600,438.65
Step by Step Solution
- Step 1: Write the proportion equation
106,171,844.99 : 146,521,691.82 = 59,128,918.16 : x - Step 2: Convert to fraction form
106,171,844.99/146,521,691.82 = 59,128,918.16/x - Step 3: Cross multiply
106,171,844.99x = 146,521,691.82 × 59,128,918.16 - Step 4: Simplify right side
106,171,844.99x = 8,663,669,123,556,913 - Step 5: Solve for x
x = 8,663,669,123,556,913/106,171,844.99 - Step 6: Final answer
x = 81,600,438.65
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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.