Finding the Fourth Proportional to 125,713,541.28, 173,483,433.54 and 69,958,006.68
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Solution
The fourth proportional to 125,713,541.28, 173,483,433.54 and 69,958,006.68 is: 96,541,351.70
Step by Step Solution
- Step 1: Write the proportion equation
125,713,541.28 : 173,483,433.54 = 69,958,006.68 : x - Step 2: Convert to fraction form
125,713,541.28/173,483,433.54 = 69,958,006.68/x - Step 3: Cross multiply
125,713,541.28x = 173,483,433.54 × 69,958,006.68 - Step 4: Simplify right side
125,713,541.28x = 12,136,555,202,460,656 - Step 5: Solve for x
x = 12,136,555,202,460,656/125,713,541.28 - Step 6: Final answer
x = 96,541,351.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.