Finding the Fourth Proportional to 61,264,660.80, 91,896,991.20 and 54,090,207.30
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Solution
The fourth proportional to 61,264,660.80, 91,896,991.20 and 54,090,207.30 is: 81,135,310.95
Step by Step Solution
- Step 1: Write the proportion equation
61,264,660.80 : 91,896,991.20 = 54,090,207.30 : x - Step 2: Convert to fraction form
61,264,660.80/91,896,991.20 = 54,090,207.30/x - Step 3: Cross multiply
61,264,660.80x = 91,896,991.20 × 54,090,207.30 - Step 4: Simplify right side
61,264,660.80x = 4,970,727,304,254,276 - Step 5: Solve for x
x = 4,970,727,304,254,276/61,264,660.80 - Step 6: Final answer
x = 81,135,310.95
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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.