Finding the Fourth Proportional to 74,276,178.66, 111,269,331.45 and 48,639,464.82
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Solution
The fourth proportional to 74,276,178.66, 111,269,331.45 and 48,639,464.82 is: 72,864,286.10
Step by Step Solution
- Step 1: Write the proportion equation
74,276,178.66 : 111,269,331.45 = 48,639,464.82 : x - Step 2: Convert to fraction form
74,276,178.66/111,269,331.45 = 48,639,464.82/x - Step 3: Cross multiply
74,276,178.66x = 111,269,331.45 × 48,639,464.82 - Step 4: Simplify right side
74,276,178.66x = 5,412,080,732,607,195 - Step 5: Solve for x
x = 5,412,080,732,607,195/74,276,178.66 - Step 6: Final answer
x = 72,864,286.10
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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.