Finding the Fourth Proportional to 106,413,299.84, 146,850,288.83 and 57,520,727.84
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Solution
The fourth proportional to 106,413,299.84, 146,850,288.83 and 57,520,727.84 is: 79,378,569.31
Step by Step Solution
- Step 1: Write the proportion equation
106,413,299.84 : 146,850,288.83 = 57,520,727.84 : x - Step 2: Convert to fraction form
106,413,299.84/146,850,288.83 = 57,520,727.84/x - Step 3: Cross multiply
106,413,299.84x = 146,850,288.83 × 57,520,727.84 - Step 4: Simplify right side
106,413,299.84x = 8,446,935,497,095,344 - Step 5: Solve for x
x = 8,446,935,497,095,344/106,413,299.84 - Step 6: Final answer
x = 79,378,569.31
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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.