Finding the Fourth Proportional to 66,475,198.08, 99,725,724.80 and 25,531,642.24
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Solution
The fourth proportional to 66,475,198.08, 99,725,724.80 and 25,531,642.24 is: 38,302,428.59
Step by Step Solution
- Step 1: Write the proportion equation
66,475,198.08 : 99,725,724.80 = 25,531,642.24 : x - Step 2: Convert to fraction form
66,475,198.08/99,725,724.80 = 25,531,642.24/x - Step 3: Cross multiply
66,475,198.08x = 99,725,724.80 × 25,531,642.24 - Step 4: Simplify right side
66,475,198.08x = 2,546,161,527,718,295.50 - Step 5: Solve for x
x = 2,546,161,527,718,295.50/66,475,198.08 - Step 6: Final answer
x = 38,302,428.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.