Finding the Fourth Proportional to 135,419,372.84, 186,935,941.44 and 91,425,961.04
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Solution
The fourth proportional to 135,419,372.84, 186,935,941.44 and 91,425,961.04 is: 126,206,448.46
Step by Step Solution
- Step 1: Write the proportion equation
135,419,372.84 : 186,935,941.44 = 91,425,961.04 : x - Step 2: Convert to fraction form
135,419,372.84/186,935,941.44 = 91,425,961.04/x - Step 3: Cross multiply
135,419,372.84x = 186,935,941.44 × 91,425,961.04 - Step 4: Simplify right side
135,419,372.84x = 17,090,798,099,069,162 - Step 5: Solve for x
x = 17,090,798,099,069,162/135,419,372.84 - Step 6: Final answer
x = 126,206,448.46
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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.