Finding the Fourth Proportional to 199,413,989.20, 299,136,113.70 and 53,845,432.12
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Solution
The fourth proportional to 199,413,989.20, 299,136,113.70 and 53,845,432.12 is: 80,772,233.53
Step by Step Solution
- Step 1: Write the proportion equation
199,413,989.20 : 299,136,113.70 = 53,845,432.12 : x - Step 2: Convert to fraction form
199,413,989.20/299,136,113.70 = 53,845,432.12/x - Step 3: Cross multiply
199,413,989.20x = 299,136,113.70 × 53,845,432.12 - Step 4: Simplify right side
199,413,989.20x = 16,107,113,304,873,950 - Step 5: Solve for x
x = 16,107,113,304,873,950/199,413,989.20 - Step 6: Final answer
x = 80,772,233.53
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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.