Finding the Fourth Proportional to 263,329,320.84, 363,394,456.17 and 145,862,217.90
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Solution
The fourth proportional to 263,329,320.84, 363,394,456.17 and 145,862,217.90 is: 201,289,857.05
Step by Step Solution
- Step 1: Write the proportion equation
263,329,320.84 : 363,394,456.17 = 145,862,217.90 : x - Step 2: Convert to fraction form
263,329,320.84/363,394,456.17 = 145,862,217.90/x - Step 3: Cross multiply
263,329,320.84x = 363,394,456.17 × 145,862,217.90 - Step 4: Simplify right side
263,329,320.84x = 53,005,521,349,520,544 - Step 5: Solve for x
x = 53,005,521,349,520,544/263,329,320.84 - Step 6: Final answer
x = 201,289,857.05
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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.