Finding the Fourth Proportional to 79,951,797.12, 110,333,516.94 and 43,282,368.12
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Solution
The fourth proportional to 79,951,797.12, 110,333,516.94 and 43,282,368.12 is: 59,729,687.99
Step by Step Solution
- Step 1: Write the proportion equation
79,951,797.12 : 110,333,516.94 = 43,282,368.12 : x - Step 2: Convert to fraction form
79,951,797.12/110,333,516.94 = 43,282,368.12/x - Step 3: Cross multiply
79,951,797.12x = 110,333,516.94 × 43,282,368.12 - Step 4: Simplify right side
79,951,797.12x = 4,775,495,896,171,336 - Step 5: Solve for x
x = 4,775,495,896,171,336/79,951,797.12 - Step 6: Final answer
x = 59,729,687.99
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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.