Finding the Fourth Proportional to 266,779,672.45, 368,194,613.01 and 153,727,169.84
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Solution
The fourth proportional to 266,779,672.45, 368,194,613.01 and 153,727,169.84 is: 212,165,774.43
Step by Step Solution
- Step 1: Write the proportion equation
266,779,672.45 : 368,194,613.01 = 153,727,169.84 : x - Step 2: Convert to fraction form
266,779,672.45/368,194,613.01 = 153,727,169.84/x - Step 3: Cross multiply
266,779,672.45x = 368,194,613.01 × 153,727,169.84 - Step 4: Simplify right side
266,779,672.45x = 56,601,515,809,393,880 - Step 5: Solve for x
x = 56,601,515,809,393,880/266,779,672.45 - Step 6: Final answer
x = 212,165,774.43
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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.