Finding the Fourth Proportional to 266,427,525.99, 367,651,321.06 and 154,910,455.18
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Solution
The fourth proportional to 266,427,525.99, 367,651,321.06 and 154,910,455.18 is: 213,765,575.77
Step by Step Solution
- Step 1: Write the proportion equation
266,427,525.99 : 367,651,321.06 = 154,910,455.18 : x - Step 2: Convert to fraction form
266,427,525.99/367,651,321.06 = 154,910,455.18/x - Step 3: Cross multiply
266,427,525.99x = 367,651,321.06 × 154,910,455.18 - Step 4: Simplify right side
266,427,525.99x = 56,953,033,492,932,920 - Step 5: Solve for x
x = 56,953,033,492,932,920/266,427,525.99 - Step 6: Final answer
x = 213,765,575.77
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1.5x scale
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.