Finding the Fourth Proportional to 71,082,372.42, 106,627,547.07 and 19,960,405.38
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Solution
The fourth proportional to 71,082,372.42, 106,627,547.07 and 19,960,405.38 is: 29,941,728.05
Step by Step Solution
- Step 1: Write the proportion equation
71,082,372.42 : 106,627,547.07 = 19,960,405.38 : x - Step 2: Convert to fraction form
71,082,372.42/106,627,547.07 = 19,960,405.38/x - Step 3: Cross multiply
71,082,372.42x = 106,627,547.07 × 19,960,405.38 - Step 4: Simplify right side
71,082,372.42x = 2,128,329,064,192,231 - Step 5: Solve for x
x = 2,128,329,064,192,231/71,082,372.42 - Step 6: Final answer
x = 29,941,728.05
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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.