Finding the Fourth Proportional to 76,971,608.76, 106,135,702.64 and 49,050,088.62
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Solution
The fourth proportional to 76,971,608.76, 106,135,702.64 and 49,050,088.62 is: 67,634,881.28
Step by Step Solution
- Step 1: Write the proportion equation
76,971,608.76 : 106,135,702.64 = 49,050,088.62 : x - Step 2: Convert to fraction form
76,971,608.76/106,135,702.64 = 49,050,088.62/x - Step 3: Cross multiply
76,971,608.76x = 106,135,702.64 × 49,050,088.62 - Step 4: Simplify right side
76,971,608.76x = 5,205,965,620,237,968 - Step 5: Solve for x
x = 5,205,965,620,237,968/76,971,608.76 - Step 6: Final answer
x = 67,634,881.28
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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.