Finding the Fourth Proportional to 48,254,104.69, 66,544,835.88 and 31,748,236.13
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Solution
The fourth proportional to 48,254,104.69, 66,544,835.88 and 31,748,236.13 is: 43,782,413.47
Step by Step Solution
- Step 1: Write the proportion equation
48,254,104.69 : 66,544,835.88 = 31,748,236.13 : x - Step 2: Convert to fraction form
48,254,104.69/66,544,835.88 = 31,748,236.13/x - Step 3: Cross multiply
48,254,104.69x = 66,544,835.88 × 31,748,236.13 - Step 4: Simplify right side
48,254,104.69x = 2,112,681,163,035,691 - Step 5: Solve for x
x = 2,112,681,163,035,691/48,254,104.69 - Step 6: Final answer
x = 43,782,413.47
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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.