Finding the Fourth Proportional to 125,713,539.28, 173,483,430.78 and 69,958,004.68
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Solution
The fourth proportional to 125,713,539.28, 173,483,430.78 and 69,958,004.68 is: 96,541,348.94
Step by Step Solution
- Step 1: Write the proportion equation
125,713,539.28 : 173,483,430.78 = 69,958,004.68 : x - Step 2: Convert to fraction form
125,713,539.28/173,483,430.78 = 69,958,004.68/x - Step 3: Cross multiply
125,713,539.28x = 173,483,430.78 × 69,958,004.68 - Step 4: Simplify right side
125,713,539.28x = 12,136,554,662,409,698 - Step 5: Solve for x
x = 12,136,554,662,409,698/125,713,539.28 - Step 6: Final answer
x = 96,541,348.94
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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.