Finding the Fourth Proportional to 66,002,746.20, 99,039,548.70 and 27,668,135.40
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Solution
The fourth proportional to 66,002,746.20, 99,039,548.70 and 27,668,135.40 is: 41,517,054.99
Step by Step Solution
- Step 1: Write the proportion equation
66,002,746.20 : 99,039,548.70 = 27,668,135.40 : x - Step 2: Convert to fraction form
66,002,746.20/99,039,548.70 = 27,668,135.40/x - Step 3: Cross multiply
66,002,746.20x = 99,039,548.70 × 27,668,135.40 - Step 4: Simplify right side
66,002,746.20x = 2,740,239,643,386,494 - Step 5: Solve for x
x = 2,740,239,643,386,494/66,002,746.20 - Step 6: Final answer
x = 41,517,054.99
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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.