Finding the Fourth Proportional to 81,822,353.18, 112,914,817.57 and 44,652,633.58
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Solution
The fourth proportional to 81,822,353.18, 112,914,817.57 and 44,652,633.58 is: 61,620,618.07
Step by Step Solution
- Step 1: Write the proportion equation
81,822,353.18 : 112,914,817.57 = 44,652,633.58 : x - Step 2: Convert to fraction form
81,822,353.18/112,914,817.57 = 44,652,633.58/x - Step 3: Cross multiply
81,822,353.18x = 112,914,817.57 × 44,652,633.58 - Step 4: Simplify right side
81,822,353.18x = 5,041,943,974,705,755 - Step 5: Solve for x
x = 5,041,943,974,705,755/81,822,353.18 - Step 6: Final answer
x = 61,620,618.07
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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.