Finding the Fourth Proportional to 91,302,285.60, 126,163,988.33 and 66,479,230.13
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Solution
The fourth proportional to 91,302,285.60, 126,163,988.33 and 66,479,230.13 is: 91,862,813.27
Step by Step Solution
- Step 1: Write the proportion equation
91,302,285.60 : 126,163,988.33 = 66,479,230.13 : x - Step 2: Convert to fraction form
91,302,285.60/126,163,988.33 = 66,479,230.13/x - Step 3: Cross multiply
91,302,285.60x = 126,163,988.33 × 66,479,230.13 - Step 4: Simplify right side
91,302,285.60x = 8,387,284,813,345,488 - Step 5: Solve for x
x = 8,387,284,813,345,488/91,302,285.60 - Step 6: Final answer
x = 91,862,813.27
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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.