Finding the Fourth Proportional to 88,640,846.59, 121,437,392.88 and 85,326,096.96
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Solution
The fourth proportional to 88,640,846.59, 121,437,392.88 and 85,326,096.96 is: 116,896,207.09
Step by Step Solution
- Step 1: Write the proportion equation
88,640,846.59 : 121,437,392.88 = 85,326,096.96 : x - Step 2: Convert to fraction form
88,640,846.59/121,437,392.88 = 85,326,096.96/x - Step 3: Cross multiply
88,640,846.59x = 121,437,392.88 × 85,326,096.96 - Step 4: Simplify right side
88,640,846.59x = 10,361,778,759,448,492 - Step 5: Solve for x
x = 10,361,778,759,448,492/88,640,846.59 - Step 6: Final answer
x = 116,896,207.09
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.