Finding the Fourth Proportional to 99,524,863.20, 149,287,294.80 and 82,518,751.20
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Solution
The fourth proportional to 99,524,863.20, 149,287,294.80 and 82,518,751.20 is: 123,778,126.80
Step by Step Solution
- Step 1: Write the proportion equation
99,524,863.20 : 149,287,294.80 = 82,518,751.20 : x - Step 2: Convert to fraction form
99,524,863.20/149,287,294.80 = 82,518,751.20/x - Step 3: Cross multiply
99,524,863.20x = 149,287,294.80 × 82,518,751.20 - Step 4: Simplify right side
99,524,863.20x = 12,319,001,136,922,256 - Step 5: Solve for x
x = 12,319,001,136,922,256/99,524,863.20 - Step 6: Final answer
x = 123,778,126.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.