Finding the Fourth Proportional to 130,407,653.80, 195,611,480.70 and 58,744,037.80
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Solution
The fourth proportional to 130,407,653.80, 195,611,480.70 and 58,744,037.80 is: 88,116,056.70
Step by Step Solution
- Step 1: Write the proportion equation
130,407,653.80 : 195,611,480.70 = 58,744,037.80 : x - Step 2: Convert to fraction form
130,407,653.80/195,611,480.70 = 58,744,037.80/x - Step 3: Cross multiply
130,407,653.80x = 195,611,480.70 × 58,744,037.80 - Step 4: Simplify right side
130,407,653.80x = 11,491,008,216,354,770 - Step 5: Solve for x
x = 11,491,008,216,354,770/130,407,653.80 - Step 6: Final answer
x = 88,116,056.70
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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.