Finding the Fourth Proportional to 201,997,253.62, 278,756,329.58 and 112,689,198.18
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Solution
The fourth proportional to 201,997,253.62, 278,756,329.58 and 112,689,198.18 is: 155,511,160.20
Step by Step Solution
- Step 1: Write the proportion equation
201,997,253.62 : 278,756,329.58 = 112,689,198.18 : x - Step 2: Convert to fraction form
201,997,253.62/278,756,329.58 = 112,689,198.18/x - Step 3: Cross multiply
201,997,253.62x = 278,756,329.58 × 112,689,198.18 - Step 4: Simplify right side
201,997,253.62x = 31,412,827,267,829,160 - Step 5: Solve for x
x = 31,412,827,267,829,160/201,997,253.62 - Step 6: Final answer
x = 155,511,160.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.