Finding the Fourth Proportional to 107,804,634.10, 161,706,951.15 and 31,130,163.70
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Solution
The fourth proportional to 107,804,634.10, 161,706,951.15 and 31,130,163.70 is: 46,695,245.55
Step by Step Solution
- Step 1: Write the proportion equation
107,804,634.10 : 161,706,951.15 = 31,130,163.70 : x - Step 2: Convert to fraction form
107,804,634.10/161,706,951.15 = 31,130,163.70/x - Step 3: Cross multiply
107,804,634.10x = 161,706,951.15 × 31,130,163.70 - Step 4: Simplify right side
107,804,634.10x = 5,033,963,860,727,403 - Step 5: Solve for x
x = 5,033,963,860,727,403/107,804,634.10 - Step 6: Final answer
x = 46,695,245.55
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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.