Finding the Fourth Proportional to 101,143,233.68, 139,577,662.97 and 54,733,488.06
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Solution
The fourth proportional to 101,143,233.68, 139,577,662.97 and 54,733,488.06 is: 75,532,213.79
Step by Step Solution
- Step 1: Write the proportion equation
101,143,233.68 : 139,577,662.97 = 54,733,488.06 : x - Step 2: Convert to fraction form
101,143,233.68/139,577,662.97 = 54,733,488.06/x - Step 3: Cross multiply
101,143,233.68x = 139,577,662.97 × 54,733,488.06 - Step 4: Simplify right side
101,143,233.68x = 7,639,572,349,337,532 - Step 5: Solve for x
x = 7,639,572,349,337,532/101,143,233.68 - Step 6: Final answer
x = 75,532,213.79
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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.