Finding the Fourth Proportional to 50,473,686.42, 75,680,206.20 and 19,731,651.12
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Solution
The fourth proportional to 50,473,686.42, 75,680,206.20 and 19,731,651.12 is: 29,585,622.36
Step by Step Solution
- Step 1: Write the proportion equation
50,473,686.42 : 75,680,206.20 = 19,731,651.12 : x - Step 2: Convert to fraction form
50,473,686.42/75,680,206.20 = 19,731,651.12/x - Step 3: Cross multiply
50,473,686.42x = 75,680,206.20 × 19,731,651.12 - Step 4: Simplify right side
50,473,686.42x = 1,493,295,425,428,061 - Step 5: Solve for x
x = 1,493,295,425,428,061/50,473,686.42 - Step 6: Final answer
x = 29,585,622.36
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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.