Finding the Fourth Proportional to 79,266,948.81, 118,871,896.53 and 27,437,469.09
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Solution
The fourth proportional to 79,266,948.81, 118,871,896.53 and 27,437,469.09 is: 41,146,329.40
Step by Step Solution
- Step 1: Write the proportion equation
79,266,948.81 : 118,871,896.53 = 27,437,469.09 : x - Step 2: Convert to fraction form
79,266,948.81/118,871,896.53 = 27,437,469.09/x - Step 3: Cross multiply
79,266,948.81x = 118,871,896.53 × 27,437,469.09 - Step 4: Simplify right side
79,266,948.81x = 3,261,543,986,214,475.50 - Step 5: Solve for x
x = 3,261,543,986,214,475.50/79,266,948.81 - Step 6: Final answer
x = 41,146,329.40
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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.