Finding the Fourth Proportional to 248,656,020.20, 372,984,030.30 and 194,236,461.80
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Solution
The fourth proportional to 248,656,020.20, 372,984,030.30 and 194,236,461.80 is: 291,354,692.70
Step by Step Solution
- Step 1: Write the proportion equation
248,656,020.20 : 372,984,030.30 = 194,236,461.80 : x - Step 2: Convert to fraction form
248,656,020.20/372,984,030.30 = 194,236,461.80/x - Step 3: Cross multiply
248,656,020.20x = 372,984,030.30 × 194,236,461.80 - Step 4: Simplify right side
248,656,020.20x = 72,447,098,353,376,000 - Step 5: Solve for x
x = 72,447,098,353,376,000/248,656,020.20 - Step 6: Final answer
x = 291,354,692.70
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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.