Finding the Fourth Proportional to 248,341,516.23, 372,569,912.85 and 84,580,691.56
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Solution
The fourth proportional to 248,341,516.23, 372,569,912.85 and 84,580,691.56 is: 126,890,667.99
Step by Step Solution
- Step 1: Write the proportion equation
248,341,516.23 : 372,569,912.85 = 84,580,691.56 : x - Step 2: Convert to fraction form
248,341,516.23/372,569,912.85 = 84,580,691.56/x - Step 3: Cross multiply
248,341,516.23x = 372,569,912.85 × 84,580,691.56 - Step 4: Simplify right side
248,341,516.23x = 31,512,220,883,301,932 - Step 5: Solve for x
x = 31,512,220,883,301,932/248,341,516.23 - Step 6: Final answer
x = 126,890,667.99
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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.