Finding the Fourth Proportional to 201,046,780.57, 301,397,452.20 and 69,872,013.19
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Solution
The fourth proportional to 201,046,780.57, 301,397,452.20 and 69,872,013.19 is: 104,747,992.95
Step by Step Solution
- Step 1: Write the proportion equation
201,046,780.57 : 301,397,452.20 = 69,872,013.19 : x - Step 2: Convert to fraction form
201,046,780.57/301,397,452.20 = 69,872,013.19/x - Step 3: Cross multiply
201,046,780.57x = 301,397,452.20 × 69,872,013.19 - Step 4: Simplify right side
201,046,780.57x = 21,059,246,754,043,808 - Step 5: Solve for x
x = 21,059,246,754,043,808/201,046,780.57 - Step 6: Final answer
x = 104,747,992.95
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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.