Finding the Fourth Proportional to 91,956,360.63, 126,930,528.12 and 54,798,292.96
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Solution
The fourth proportional to 91,956,360.63, 126,930,528.12 and 54,798,292.96 is: 75,639,968.98
Step by Step Solution
- Step 1: Write the proportion equation
91,956,360.63 : 126,930,528.12 = 54,798,292.96 : x - Step 2: Convert to fraction form
91,956,360.63/126,930,528.12 = 54,798,292.96/x - Step 3: Cross multiply
91,956,360.63x = 126,930,528.12 × 54,798,292.96 - Step 4: Simplify right side
91,956,360.63x = 6,955,576,265,487,278 - Step 5: Solve for x
x = 6,955,576,265,487,278/91,956,360.63 - Step 6: Final answer
x = 75,639,968.98
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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.