Finding the Fourth Proportional to 103,178,435.24, 154,650,320.58 and 53,918,338.70
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Solution
The fourth proportional to 103,178,435.24, 154,650,320.58 and 53,918,338.70 is: 80,816,193.28
Step by Step Solution
- Step 1: Write the proportion equation
103,178,435.24 : 154,650,320.58 = 53,918,338.70 : x - Step 2: Convert to fraction form
103,178,435.24/154,650,320.58 = 53,918,338.70/x - Step 3: Cross multiply
103,178,435.24x = 154,650,320.58 × 53,918,338.70 - Step 4: Simplify right side
103,178,435.24x = 8,338,488,365,096,022 - Step 5: Solve for x
x = 8,338,488,365,096,022/103,178,435.24 - Step 6: Final answer
x = 80,816,193.28
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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.