Finding the Fourth Proportional to 130,605,310.62, 195,936,309.47 and 39,726,537.66
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Solution
The fourth proportional to 130,605,310.62, 195,936,309.47 and 39,726,537.66 is: 59,598,427.81
Step by Step Solution
- Step 1: Write the proportion equation
130,605,310.62 : 195,936,309.47 = 39,726,537.66 : x - Step 2: Convert to fraction form
130,605,310.62/195,936,309.47 = 39,726,537.66/x - Step 3: Cross multiply
130,605,310.62x = 195,936,309.47 × 39,726,537.66 - Step 4: Simplify right side
130,605,310.62x = 7,783,871,176,922,736 - Step 5: Solve for x
x = 7,783,871,176,922,736/130,605,310.62 - Step 6: Final answer
x = 59,598,427.81
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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.