Finding the Fourth Proportional to 74,432,837.08, 111,656,257.62 and 21,910,543.12
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Solution
The fourth proportional to 74,432,837.08, 111,656,257.62 and 21,910,543.12 is: 32,867,875.84
Step by Step Solution
- Step 1: Write the proportion equation
74,432,837.08 : 111,656,257.62 = 21,910,543.12 : x - Step 2: Convert to fraction form
74,432,837.08/111,656,257.62 = 21,910,543.12/x - Step 3: Cross multiply
74,432,837.08x = 111,656,257.62 × 21,910,543.12 - Step 4: Simplify right side
74,432,837.08x = 2,446,449,247,200,839 - Step 5: Solve for x
x = 2,446,449,247,200,839/74,432,837.08 - Step 6: Final answer
x = 32,867,875.84
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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.