Finding the Fourth Proportional to 165,957,575.80, 248,936,363.70 and 154,620,167.80
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Solution
The fourth proportional to 165,957,575.80, 248,936,363.70 and 154,620,167.80 is: 231,930,251.70
Step by Step Solution
- Step 1: Write the proportion equation
165,957,575.80 : 248,936,363.70 = 154,620,167.80 : x - Step 2: Convert to fraction form
165,957,575.80/248,936,363.70 = 154,620,167.80/x - Step 3: Cross multiply
165,957,575.80x = 248,936,363.70 × 154,620,167.80 - Step 4: Simplify right side
165,957,575.80x = 38,490,582,326,815,832 - Step 5: Solve for x
x = 38,490,582,326,815,832/165,957,575.80 - Step 6: Final answer
x = 231,930,251.70
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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.