Finding the Fourth Proportional to 209,123,268.73, 313,618,352.20 and 69,037,642.96
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Solution
The fourth proportional to 209,123,268.73, 313,618,352.20 and 69,037,642.96 is: 103,534,494.06
Step by Step Solution
- Step 1: Write the proportion equation
209,123,268.73 : 313,618,352.20 = 69,037,642.96 : x - Step 2: Convert to fraction form
209,123,268.73/313,618,352.20 = 69,037,642.96/x - Step 3: Cross multiply
209,123,268.73x = 313,618,352.20 × 69,037,642.96 - Step 4: Simplify right side
209,123,268.73x = 21,651,471,823,930,488 - Step 5: Solve for x
x = 21,651,471,823,930,488/209,123,268.73 - Step 6: Final answer
x = 103,534,494.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.