Finding the Fourth Proportional to 209,565,368.24, 287,105,595.20 and 201,710,965.52
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Solution
The fourth proportional to 209,565,368.24, 287,105,595.20 and 201,710,965.52 is: 276,345,024.47
Step by Step Solution
- Step 1: Write the proportion equation
209,565,368.24 : 287,105,595.20 = 201,710,965.52 : x - Step 2: Convert to fraction form
209,565,368.24/287,105,595.20 = 201,710,965.52/x - Step 3: Cross multiply
209,565,368.24x = 287,105,595.20 × 201,710,965.52 - Step 4: Simplify right side
209,565,368.24x = 57,912,346,813,986,280 - Step 5: Solve for x
x = 57,912,346,813,986,280/209,565,368.24 - Step 6: Final answer
x = 276,345,024.47
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.