Finding the Fourth Proportional to 130,605,310.74, 195,936,309.65 and 39,726,537.78
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Solution
The fourth proportional to 130,605,310.74, 195,936,309.65 and 39,726,537.78 is: 59,598,427.99
Step by Step Solution
- Step 1: Write the proportion equation
130,605,310.74 : 195,936,309.65 = 39,726,537.78 : x - Step 2: Convert to fraction form
130,605,310.74/195,936,309.65 = 39,726,537.78/x - Step 3: Cross multiply
130,605,310.74x = 195,936,309.65 × 39,726,537.78 - Step 4: Simplify right side
130,605,310.74x = 7,783,871,207,784,504 - Step 5: Solve for x
x = 7,783,871,207,784,504/130,605,310.74 - Step 6: Final answer
x = 59,598,427.99
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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.