Finding the Fourth Proportional to 252,220,056.48, 348,087,636.09 and 158,149,094.58
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Solution
The fourth proportional to 252,220,056.48, 348,087,636.09 and 158,149,094.58 is: 218,260,772.96
Step by Step Solution
- Step 1: Write the proportion equation
252,220,056.48 : 348,087,636.09 = 158,149,094.58 : x - Step 2: Convert to fraction form
252,220,056.48/348,087,636.09 = 158,149,094.58/x - Step 3: Cross multiply
252,220,056.48x = 348,087,636.09 × 158,149,094.58 - Step 4: Simplify right side
252,220,056.48x = 55,049,744,482,126,032 - Step 5: Solve for x
x = 55,049,744,482,126,032/252,220,056.48 - Step 6: Final answer
x = 218,260,772.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.