Finding the Fourth Proportional to 78,785,937.64, 118,194,850.50 and 27,671,942.26
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Solution
The fourth proportional to 78,785,937.64, 118,194,850.50 and 27,671,942.26 is: 41,513,513.40
Step by Step Solution
- Step 1: Write the proportion equation
78,785,937.64 : 118,194,850.50 = 27,671,942.26 : x - Step 2: Convert to fraction form
78,785,937.64/118,194,850.50 = 27,671,942.26/x - Step 3: Cross multiply
78,785,937.64x = 118,194,850.50 × 27,671,942.26 - Step 4: Simplify right side
78,785,937.64x = 3,270,681,077,735,998 - Step 5: Solve for x
x = 3,270,681,077,735,998/78,785,937.64 - Step 6: Final answer
x = 41,513,513.40
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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.