Finding the Fourth Proportional to 61,843,531.80, 92,765,297.70 and 52,277,593.80
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Solution
The fourth proportional to 61,843,531.80, 92,765,297.70 and 52,277,593.80 is: 78,416,390.70
Step by Step Solution
- Step 1: Write the proportion equation
61,843,531.80 : 92,765,297.70 = 52,277,593.80 : x - Step 2: Convert to fraction form
61,843,531.80/92,765,297.70 = 52,277,593.80/x - Step 3: Cross multiply
61,843,531.80x = 92,765,297.70 × 52,277,593.80 - Step 4: Simplify right side
61,843,531.80x = 4,849,546,551,896,674 - Step 5: Solve for x
x = 4,849,546,551,896,674/61,843,531.80 - Step 6: Final answer
x = 78,416,390.70
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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.