Finding the Fourth Proportional to 61,534,562.75, 84,943,843.49 and 38,341,148.91
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Solution
The fourth proportional to 61,534,562.75, 84,943,843.49 and 38,341,148.91 is: 52,927,077.18
Step by Step Solution
- Step 1: Write the proportion equation
61,534,562.75 : 84,943,843.49 = 38,341,148.91 : x - Step 2: Convert to fraction form
61,534,562.75/84,943,843.49 = 38,341,148.91/x - Step 3: Cross multiply
61,534,562.75x = 84,943,843.49 × 38,341,148.91 - Step 4: Simplify right side
61,534,562.75x = 3,256,844,551,813,105 - Step 5: Solve for x
x = 3,256,844,551,813,105/61,534,562.75 - Step 6: Final answer
x = 52,927,077.18
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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.