Finding the Fourth Proportional to 289,706,717.80, 434,637,059.10 and 125,874,173.80
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Solution
The fourth proportional to 289,706,717.80, 434,637,059.10 and 125,874,173.80 is: 188,844,708.65
Step by Step Solution
- Step 1: Write the proportion equation
289,706,717.80 : 434,637,059.10 = 125,874,173.80 : x - Step 2: Convert to fraction form
289,706,717.80/434,637,059.10 = 125,874,173.80/x - Step 3: Cross multiply
289,706,717.80x = 434,637,059.10 × 125,874,173.80 - Step 4: Simplify right side
289,706,717.80x = 54,709,580,717,074,272 - Step 5: Solve for x
x = 54,709,580,717,074,272/289,706,717.80 - Step 6: Final answer
x = 188,844,708.65
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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.