Finding the Fourth Proportional to 169,305,317.66, 254,000,639.40 and 48,136,769.66
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Solution
The fourth proportional to 169,305,317.66, 254,000,639.40 and 48,136,769.66 is: 72,217,284.38
Step by Step Solution
- Step 1: Write the proportion equation
169,305,317.66 : 254,000,639.40 = 48,136,769.66 : x - Step 2: Convert to fraction form
169,305,317.66/254,000,639.40 = 48,136,769.66/x - Step 3: Cross multiply
169,305,317.66x = 254,000,639.40 × 48,136,769.66 - Step 4: Simplify right side
169,305,317.66x = 12,226,770,272,290,520 - Step 5: Solve for x
x = 12,226,770,272,290,520/169,305,317.66 - Step 6: Final answer
x = 72,217,284.38
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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.