Finding the Fourth Proportional to 226,628,885.80, 339,943,328.70 and 207,733,205.80
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Solution
The fourth proportional to 226,628,885.80, 339,943,328.70 and 207,733,205.80 is: 311,599,808.70
Step by Step Solution
- Step 1: Write the proportion equation
226,628,885.80 : 339,943,328.70 = 207,733,205.80 : x - Step 2: Convert to fraction form
226,628,885.80/339,943,328.70 = 207,733,205.80/x - Step 3: Cross multiply
226,628,885.80x = 339,943,328.70 × 207,733,205.80 - Step 4: Simplify right side
226,628,885.80x = 70,617,517,461,174,152 - Step 5: Solve for x
x = 70,617,517,461,174,152/226,628,885.80 - Step 6: Final answer
x = 311,599,808.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.