Finding the Fourth Proportional to 145,750,438.98, 218,625,658.49 and 48,706,146.58
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Solution
The fourth proportional to 145,750,438.98, 218,625,658.49 and 48,706,146.58 is: 73,059,219.88
Step by Step Solution
- Step 1: Write the proportion equation
145,750,438.98 : 218,625,658.49 = 48,706,146.58 : x - Step 2: Convert to fraction form
145,750,438.98/218,625,658.49 = 48,706,146.58/x - Step 3: Cross multiply
145,750,438.98x = 218,625,658.49 × 48,706,146.58 - Step 4: Simplify right side
145,750,438.98x = 10,648,413,368,562,962 - Step 5: Solve for x
x = 10,648,413,368,562,962/145,750,438.98 - Step 6: Final answer
x = 73,059,219.88
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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.