Finding the Fourth Proportional to 83,354,183.79, 124,964,504.15 and 39,612,988.23
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Solution
The fourth proportional to 83,354,183.79, 124,964,504.15 and 39,612,988.23 is: 59,387,750.04
Step by Step Solution
- Step 1: Write the proportion equation
83,354,183.79 : 124,964,504.15 = 39,612,988.23 : x - Step 2: Convert to fraction form
83,354,183.79/124,964,504.15 = 39,612,988.23/x - Step 3: Cross multiply
83,354,183.79x = 124,964,504.15 × 39,612,988.23 - Step 4: Simplify right side
83,354,183.79x = 4,950,217,431,863,671 - Step 5: Solve for x
x = 4,950,217,431,863,671/83,354,183.79 - Step 6: Final answer
x = 59,387,750.04
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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.