Finding the Fourth Proportional to 248,341,515.23, 372,569,911.35 and 84,580,690.56
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Solution
The fourth proportional to 248,341,515.23, 372,569,911.35 and 84,580,690.56 is: 126,890,666.49
Step by Step Solution
- Step 1: Write the proportion equation
248,341,515.23 : 372,569,911.35 = 84,580,690.56 : x - Step 2: Convert to fraction form
248,341,515.23/372,569,911.35 = 84,580,690.56/x - Step 3: Cross multiply
248,341,515.23x = 372,569,911.35 × 84,580,690.56 - Step 4: Simplify right side
248,341,515.23x = 31,512,220,383,860,984 - Step 5: Solve for x
x = 31,512,220,383,860,984/248,341,515.23 - Step 6: Final answer
x = 126,890,666.49
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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.