Finding the Fourth Proportional to 49,379,908.99, 68,167,904.12 and 32,887,479.55
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Solution
The fourth proportional to 49,379,908.99, 68,167,904.12 and 32,887,479.55 is: 45,400,459.39
Step by Step Solution
- Step 1: Write the proportion equation
49,379,908.99 : 68,167,904.12 = 32,887,479.55 : x - Step 2: Convert to fraction form
49,379,908.99/68,167,904.12 = 32,887,479.55/x - Step 3: Cross multiply
49,379,908.99x = 68,167,904.12 × 32,887,479.55 - Step 4: Simplify right side
49,379,908.99x = 2,241,870,552,712,861 - Step 5: Solve for x
x = 2,241,870,552,712,861/49,379,908.99 - Step 6: Final answer
x = 45,400,459.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.