Finding the Fourth Proportional to 61,399,972.10, 84,770,201.08 and 39,085,548.76
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Solution
The fourth proportional to 61,399,972.10, 84,770,201.08 and 39,085,548.76 is: 53,962,399.55
Step by Step Solution
- Step 1: Write the proportion equation
61,399,972.10 : 84,770,201.08 = 39,085,548.76 : x - Step 2: Convert to fraction form
61,399,972.10/84,770,201.08 = 39,085,548.76/x - Step 3: Cross multiply
61,399,972.10x = 84,770,201.08 × 39,085,548.76 - Step 4: Simplify right side
61,399,972.10x = 3,313,289,827,088,066.50 - Step 5: Solve for x
x = 3,313,289,827,088,066.50/61,399,972.10 - Step 6: Final answer
x = 53,962,399.55
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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.