Finding the Fourth Proportional to 256,811,299.88, 385,136,029.19 and 84,247,901.96
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Solution
The fourth proportional to 256,811,299.88, 385,136,029.19 and 84,247,901.96 is: 126,345,306.62
Step by Step Solution
- Step 1: Write the proportion equation
256,811,299.88 : 385,136,029.19 = 84,247,901.96 : x - Step 2: Convert to fraction form
256,811,299.88/385,136,029.19 = 84,247,901.96/x - Step 3: Cross multiply
256,811,299.88x = 385,136,029.19 × 84,247,901.96 - Step 4: Simplify right side
256,811,299.88x = 32,446,902,426,747,756 - Step 5: Solve for x
x = 32,446,902,426,747,756/256,811,299.88 - Step 6: Final answer
x = 126,345,306.62
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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.