Finding the Fourth Proportional to 266,427,526.49, 367,651,321.75 and 154,910,455.68
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Solution
The fourth proportional to 266,427,526.49, 367,651,321.75 and 154,910,455.68 is: 213,765,576.46
Step by Step Solution
- Step 1: Write the proportion equation
266,427,526.49 : 367,651,321.75 = 154,910,455.68 : x - Step 2: Convert to fraction form
266,427,526.49/367,651,321.75 = 154,910,455.68/x - Step 3: Cross multiply
266,427,526.49x = 367,651,321.75 × 154,910,455.68 - Step 4: Simplify right side
266,427,526.49x = 56,953,033,783,646,800 - Step 5: Solve for x
x = 56,953,033,783,646,800/266,427,526.49 - Step 6: Final answer
x = 213,765,576.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.