Finding the Fourth Proportional to 283,446,430.92, 425,169,651.78 and 68,035,678.92
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Solution
The fourth proportional to 283,446,430.92, 425,169,651.78 and 68,035,678.92 is: 102,053,519.68
Step by Step Solution
- Step 1: Write the proportion equation
283,446,430.92 : 425,169,651.78 = 68,035,678.92 : x - Step 2: Convert to fraction form
283,446,430.92/425,169,651.78 = 68,035,678.92/x - Step 3: Cross multiply
283,446,430.92x = 425,169,651.78 × 68,035,678.92 - Step 4: Simplify right side
283,446,430.92x = 28,926,705,915,032,284 - Step 5: Solve for x
x = 28,926,705,915,032,284/283,446,430.92 - Step 6: Final answer
x = 102,053,519.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.