Finding the Fourth Proportional to 74,583,853.68, 102,920,427.59 and 41,091,869.80
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Solution
The fourth proportional to 74,583,853.68, 102,920,427.59 and 41,091,869.80 is: 56,703,865.54
Step by Step Solution
- Step 1: Write the proportion equation
74,583,853.68 : 102,920,427.59 = 41,091,869.80 : x - Step 2: Convert to fraction form
74,583,853.68/102,920,427.59 = 41,091,869.80/x - Step 3: Cross multiply
74,583,853.68x = 102,920,427.59 × 41,091,869.80 - Step 4: Simplify right side
74,583,853.68x = 4,229,192,810,391,337 - Step 5: Solve for x
x = 4,229,192,810,391,337/74,583,853.68 - Step 6: Final answer
x = 56,703,865.54
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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.