Finding the Fourth Proportional to 66,154,727.12, 91,289,773.49 and 36,785,429.12
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Solution
The fourth proportional to 66,154,727.12, 91,289,773.49 and 36,785,429.12 is: 50,761,807.02
Step by Step Solution
- Step 1: Write the proportion equation
66,154,727.12 : 91,289,773.49 = 36,785,429.12 : x - Step 2: Convert to fraction form
66,154,727.12/91,289,773.49 = 36,785,429.12/x - Step 3: Cross multiply
66,154,727.12x = 91,289,773.49 × 36,785,429.12 - Step 4: Simplify right side
66,154,727.12x = 3,358,133,491,456,874 - Step 5: Solve for x
x = 3,358,133,491,456,874/66,154,727.12 - Step 6: Final answer
x = 50,761,807.02
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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.