Finding the Fourth Proportional to 283,446,430.12, 425,169,650.66 and 68,035,678.12
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Solution
The fourth proportional to 283,446,430.12, 425,169,650.66 and 68,035,678.12 is: 102,053,518.50
Step by Step Solution
- Step 1: Write the proportion equation
283,446,430.12 : 425,169,650.66 = 68,035,678.12 : x - Step 2: Convert to fraction form
283,446,430.12/425,169,650.66 = 68,035,678.12/x - Step 3: Cross multiply
283,446,430.12x = 425,169,650.66 × 68,035,678.12 - Step 4: Simplify right side
283,446,430.12x = 28,926,705,498,696,608 - Step 5: Solve for x
x = 28,926,705,498,696,608/283,446,430.12 - Step 6: Final answer
x = 102,053,518.50
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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.