Finding the Fourth Proportional to 198,684,233.88, 298,003,648.74 and 53,129,145.99
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Solution
The fourth proportional to 198,684,233.88, 298,003,648.74 and 53,129,145.99 is: 79,687,648.33
Step by Step Solution
- Step 1: Write the proportion equation
198,684,233.88 : 298,003,648.74 = 53,129,145.99 : x - Step 2: Convert to fraction form
198,684,233.88/298,003,648.74 = 53,129,145.99/x - Step 3: Cross multiply
198,684,233.88x = 298,003,648.74 × 53,129,145.99 - Step 4: Simplify right side
198,684,233.88x = 15,832,679,359,194,496 - Step 5: Solve for x
x = 15,832,679,359,194,496/198,684,233.88 - Step 6: Final answer
x = 79,687,648.33
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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.