Finding the Fourth Proportional to 55,639,295.12, 76,693,539.84 and 43,859,366.12
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Solution
The fourth proportional to 55,639,295.12, 76,693,539.84 and 43,859,366.12 is: 60,456,014.69
Step by Step Solution
- Step 1: Write the proportion equation
55,639,295.12 : 76,693,539.84 = 43,859,366.12 : x - Step 2: Convert to fraction form
55,639,295.12/76,693,539.84 = 43,859,366.12/x - Step 3: Cross multiply
55,639,295.12x = 76,693,539.84 × 43,859,366.12 - Step 4: Simplify right side
55,639,295.12x = 3,363,730,042,881,366 - Step 5: Solve for x
x = 3,363,730,042,881,366/55,639,295.12 - Step 6: Final answer
x = 60,456,014.69
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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.