Finding the Fourth Proportional to 84,993,176.10, 127,489,764.15 and 83,103,608.10
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Solution
The fourth proportional to 84,993,176.10, 127,489,764.15 and 83,103,608.10 is: 124,655,412.15
Step by Step Solution
- Step 1: Write the proportion equation
84,993,176.10 : 127,489,764.15 = 83,103,608.10 : x - Step 2: Convert to fraction form
84,993,176.10/127,489,764.15 = 83,103,608.10/x - Step 3: Cross multiply
84,993,176.10x = 127,489,764.15 × 83,103,608.10 - Step 4: Simplify right side
84,993,176.10x = 10,594,859,396,683,030 - Step 5: Solve for x
x = 10,594,859,396,683,030/84,993,176.10 - Step 6: Final answer
x = 124,655,412.15
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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.