Finding the Fourth Proportional to 266,427,442.91, 367,651,206.41 and 154,910,372.09
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Solution
The fourth proportional to 266,427,442.91, 367,651,206.41 and 154,910,372.09 is: 213,765,461.10
Step by Step Solution
- Step 1: Write the proportion equation
266,427,442.91 : 367,651,206.41 = 154,910,372.09 : x - Step 2: Convert to fraction form
266,427,442.91/367,651,206.41 = 154,910,372.09/x - Step 3: Cross multiply
266,427,442.91x = 367,651,206.41 × 154,910,372.09 - Step 4: Simplify right side
266,427,442.91x = 56,952,985,184,049,952 - Step 5: Solve for x
x = 56,952,985,184,049,952/266,427,442.91 - Step 6: Final answer
x = 213,765,461.10
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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.