Finding the Fourth Proportional to 55,366,485.23, 76,407,935.36 and 31,844,984.54
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Solution
The fourth proportional to 55,366,485.23, 76,407,935.36 and 31,844,984.54 is: 43,947,335.82
Step by Step Solution
- Step 1: Write the proportion equation
55,366,485.23 : 76,407,935.36 = 31,844,984.54 : x - Step 2: Convert to fraction form
55,366,485.23/76,407,935.36 = 31,844,984.54/x - Step 3: Cross multiply
55,366,485.23x = 76,407,935.36 × 31,844,984.54 - Step 4: Simplify right side
55,366,485.23x = 2,433,209,519,731,255 - Step 5: Solve for x
x = 2,433,209,519,731,255/55,366,485.23 - Step 6: Final answer
x = 43,947,335.82
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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.