Finding the Fourth Proportional to 120,687,586.20, 181,031,379.30 and 44,013,115.80
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Solution
The fourth proportional to 120,687,586.20, 181,031,379.30 and 44,013,115.80 is: 66,019,673.70
Step by Step Solution
- Step 1: Write the proportion equation
120,687,586.20 : 181,031,379.30 = 44,013,115.80 : x - Step 2: Convert to fraction form
120,687,586.20/181,031,379.30 = 44,013,115.80/x - Step 3: Cross multiply
120,687,586.20x = 181,031,379.30 × 44,013,115.80 - Step 4: Simplify right side
120,687,586.20x = 7,967,755,060,564,623 - Step 5: Solve for x
x = 7,967,755,060,564,623/120,687,586.20 - Step 6: Final answer
x = 66,019,673.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.