Finding the Fourth Proportional to 130,232,251.44, 195,199,781.21 and 52,459,390.18
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Solution
The fourth proportional to 130,232,251.44, 195,199,781.21 and 52,459,390.18 is: 78,629,228.72
Step by Step Solution
- Step 1: Write the proportion equation
130,232,251.44 : 195,199,781.21 = 52,459,390.18 : x - Step 2: Convert to fraction form
130,232,251.44/195,199,781.21 = 52,459,390.18/x - Step 3: Cross multiply
130,232,251.44x = 195,199,781.21 × 52,459,390.18 - Step 4: Simplify right side
130,232,251.44x = 10,240,061,485,546,022 - Step 5: Solve for x
x = 10,240,061,485,546,022/130,232,251.44 - Step 6: Final answer
x = 78,629,228.72
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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.