Finding the Fourth Proportional to 79,915,769.82, 110,283,761.25 and 43,246,340.82
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Solution
The fourth proportional to 79,915,769.82, 110,283,761.25 and 43,246,340.82 is: 59,679,949.74
Step by Step Solution
- Step 1: Write the proportion equation
79,915,769.82 : 110,283,761.25 = 43,246,340.82 : x - Step 2: Convert to fraction form
79,915,769.82/110,283,761.25 = 43,246,340.82/x - Step 3: Cross multiply
79,915,769.82x = 110,283,761.25 × 43,246,340.82 - Step 4: Simplify right side
79,915,769.82x = 4,769,369,125,929,009 - Step 5: Solve for x
x = 4,769,369,125,929,009/79,915,769.82 - Step 6: Final answer
x = 59,679,949.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.