Finding the Fourth Proportional to 220,824,902.70, 331,237,354.05 and 134,731,460.70
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Solution
The fourth proportional to 220,824,902.70, 331,237,354.05 and 134,731,460.70 is: 202,097,191.05
Step by Step Solution
- Step 1: Write the proportion equation
220,824,902.70 : 331,237,354.05 = 134,731,460.70 : x - Step 2: Convert to fraction form
220,824,902.70/331,237,354.05 = 134,731,460.70/x - Step 3: Cross multiply
220,824,902.70x = 331,237,354.05 × 134,731,460.70 - Step 4: Simplify right side
220,824,902.70x = 44,628,092,549,559,560 - Step 5: Solve for x
x = 44,628,092,549,559,560/220,824,902.70 - Step 6: Final answer
x = 202,097,191.05
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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.