Finding the Fourth Proportional to 106,542,726.48, 147,053,531.94 and 62,503,872.92
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Solution
The fourth proportional to 106,542,726.48, 147,053,531.94 and 62,503,872.92 is: 86,269,758.40
Step by Step Solution
- Step 1: Write the proportion equation
106,542,726.48 : 147,053,531.94 = 62,503,872.92 : x - Step 2: Convert to fraction form
106,542,726.48/147,053,531.94 = 62,503,872.92/x - Step 3: Cross multiply
106,542,726.48x = 147,053,531.94 × 62,503,872.92 - Step 4: Simplify right side
106,542,726.48x = 9,191,415,272,814,922 - Step 5: Solve for x
x = 9,191,415,272,814,922/106,542,726.48 - Step 6: Final answer
x = 86,269,758.40
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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.