Finding the Fourth Proportional to 189,455,523.94, 261,448,646.25 and 102,535,395.94
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Solution
The fourth proportional to 189,455,523.94, 261,448,646.25 and 102,535,395.94 is: 141,498,858.96
Step by Step Solution
- Step 1: Write the proportion equation
189,455,523.94 : 261,448,646.25 = 102,535,395.94 : x - Step 2: Convert to fraction form
189,455,523.94/261,448,646.25 = 102,535,395.94/x - Step 3: Cross multiply
189,455,523.94x = 261,448,646.25 × 102,535,395.94 - Step 4: Simplify right side
189,455,523.94x = 26,807,740,461,220,744 - Step 5: Solve for x
x = 26,807,740,461,220,744/189,455,523.94 - Step 6: Final answer
x = 141,498,858.96
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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.