Finding the Fourth Proportional to 66,203,891.70, 99,246,739.95 and 25,804,979.70
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Solution
The fourth proportional to 66,203,891.70, 99,246,739.95 and 25,804,979.70 is: 38,684,434.46
Step by Step Solution
- Step 1: Write the proportion equation
66,203,891.70 : 99,246,739.95 = 25,804,979.70 : x - Step 2: Convert to fraction form
66,203,891.70/99,246,739.95 = 25,804,979.70/x - Step 3: Cross multiply
66,203,891.70x = 99,246,739.95 × 25,804,979.70 - Step 4: Simplify right side
66,203,891.70x = 2,561,060,109,700,929 - Step 5: Solve for x
x = 2,561,060,109,700,929/66,203,891.70 - Step 6: Final answer
x = 38,684,434.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.