Finding the Fourth Proportional to 199,922,822.70, 299,925,135.36 and 68,748,061.95
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Solution
The fourth proportional to 199,922,822.70, 299,925,135.36 and 68,748,061.95 is: 103,136,157.78
Step by Step Solution
- Step 1: Write the proportion equation
199,922,822.70 : 299,925,135.36 = 68,748,061.95 : x - Step 2: Convert to fraction form
199,922,822.70/299,925,135.36 = 68,748,061.95/x - Step 3: Cross multiply
199,922,822.70x = 299,925,135.36 × 68,748,061.95 - Step 4: Simplify right side
199,922,822.70x = 20,619,271,786,091,416 - Step 5: Solve for x
x = 20,619,271,786,091,416/199,922,822.70 - Step 6: Final answer
x = 103,136,157.78
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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.