Finding the Fourth Proportional to 101,144,327.81, 139,579,167.80 and 54,734,582.99
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Solution
The fourth proportional to 101,144,327.81, 139,579,167.80 and 54,734,582.99 is: 75,533,722.06
Step by Step Solution
- Step 1: Write the proportion equation
101,144,327.81 : 139,579,167.80 = 54,734,582.99 : x - Step 2: Convert to fraction form
101,144,327.81/139,579,167.80 = 54,734,582.99/x - Step 3: Cross multiply
101,144,327.81x = 139,579,167.80 × 54,734,582.99 - Step 4: Simplify right side
101,144,327.81x = 7,639,807,544,110,021 - Step 5: Solve for x
x = 7,639,807,544,110,021/101,144,327.81 - Step 6: Final answer
x = 75,533,722.06
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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.