Finding the Fourth Proportional to 247,657,768.18, 341,747,405.37 and 145,799,278.36
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Solution
The fourth proportional to 247,657,768.18, 341,747,405.37 and 145,799,278.36 is: 201,191,044.60
Step by Step Solution
- Step 1: Write the proportion equation
247,657,768.18 : 341,747,405.37 = 145,799,278.36 : x - Step 2: Convert to fraction form
247,657,768.18/341,747,405.37 = 145,799,278.36/x - Step 3: Cross multiply
247,657,768.18x = 341,747,405.37 × 145,799,278.36 - Step 4: Simplify right side
247,657,768.18x = 49,826,525,083,494,016 - Step 5: Solve for x
x = 49,826,525,083,494,016/247,657,768.18 - Step 6: Final answer
x = 201,191,044.60
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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.