Finding the Fourth Proportional to 135,438,289.29, 203,105,446.38 and 57,665,885.49
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Solution
The fourth proportional to 135,438,289.29, 203,105,446.38 and 57,665,885.49 is: 86,476,693.37
Step by Step Solution
- Step 1: Write the proportion equation
135,438,289.29 : 203,105,446.38 = 57,665,885.49 : x - Step 2: Convert to fraction form
135,438,289.29/203,105,446.38 = 57,665,885.49/x - Step 3: Cross multiply
135,438,289.29x = 203,105,446.38 × 57,665,885.49 - Step 4: Simplify right side
135,438,289.29x = 11,712,255,413,344,416 - Step 5: Solve for x
x = 11,712,255,413,344,416/135,438,289.29 - Step 6: Final answer
x = 86,476,693.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.