Finding the Fourth Proportional to 85,164,158.68, 127,746,240.54 and 26,877,743.80
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Solution
The fourth proportional to 85,164,158.68, 127,746,240.54 and 26,877,743.80 is: 40,316,616.50
Step by Step Solution
- Step 1: Write the proportion equation
85,164,158.68 : 127,746,240.54 = 26,877,743.80 : x - Step 2: Convert to fraction form
85,164,158.68/127,746,240.54 = 26,877,743.80/x - Step 3: Cross multiply
85,164,158.68x = 127,746,240.54 × 26,877,743.80 - Step 4: Simplify right side
85,164,158.68x = 3,433,530,724,647,294 - Step 5: Solve for x
x = 3,433,530,724,647,294/85,164,158.68 - Step 6: Final answer
x = 40,316,616.50
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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.