Finding the Fourth Proportional to 105,315,213.90, 157,979,752.42 and 27,594,021.00
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Solution
The fourth proportional to 105,315,213.90, 157,979,752.42 and 27,594,021.00 is: 41,392,847.66
Step by Step Solution
- Step 1: Write the proportion equation
105,315,213.90 : 157,979,752.42 = 27,594,021.00 : x - Step 2: Convert to fraction form
105,315,213.90/157,979,752.42 = 27,594,021.00/x - Step 3: Cross multiply
105,315,213.90x = 157,979,752.42 × 27,594,021.00 - Step 4: Simplify right side
105,315,213.90x = 4,359,296,604,993,397 - Step 5: Solve for x
x = 4,359,296,604,993,397/105,315,213.90 - Step 6: Final answer
x = 41,392,847.66
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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.