Finding the Fourth Proportional to 165,318,486.65, 228,139,445.43 and 90,979,046.99
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Solution
The fourth proportional to 165,318,486.65, 228,139,445.43 and 90,979,046.99 is: 125,551,048.45
Step by Step Solution
- Step 1: Write the proportion equation
165,318,486.65 : 228,139,445.43 = 90,979,046.99 : x - Step 2: Convert to fraction form
165,318,486.65/228,139,445.43 = 90,979,046.99/x - Step 3: Cross multiply
165,318,486.65x = 228,139,445.43 × 90,979,046.99 - Step 4: Simplify right side
165,318,486.65x = 20,755,909,326,618,860 - Step 5: Solve for x
x = 20,755,909,326,618,860/165,318,486.65 - Step 6: Final answer
x = 125,551,048.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.