Finding the Fourth Proportional to 73,872,553.70, 110,808,830.55 and 43,261,552.10
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Solution
The fourth proportional to 73,872,553.70, 110,808,830.55 and 43,261,552.10 is: 64,892,328.15
Step by Step Solution
- Step 1: Write the proportion equation
73,872,553.70 : 110,808,830.55 = 43,261,552.10 : x - Step 2: Convert to fraction form
73,872,553.70/110,808,830.55 = 43,261,552.10/x - Step 3: Cross multiply
73,872,553.70x = 110,808,830.55 × 43,261,552.10 - Step 4: Simplify right side
73,872,553.70x = 4,793,761,995,978,897 - Step 5: Solve for x
x = 4,793,761,995,978,897/73,872,553.70 - Step 6: Final answer
x = 64,892,328.15
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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.