Finding the Fourth Proportional to 90,037,114.99, 124,203,289.48 and 54,765,707.97
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Solution
The fourth proportional to 90,037,114.99, 124,203,289.48 and 54,765,707.97 is: 75,547,523.72
Step by Step Solution
- Step 1: Write the proportion equation
90,037,114.99 : 124,203,289.48 = 54,765,707.97 : x - Step 2: Convert to fraction form
90,037,114.99/124,203,289.48 = 54,765,707.97/x - Step 3: Cross multiply
90,037,114.99x = 124,203,289.48 × 54,765,707.97 - Step 4: Simplify right side
90,037,114.99x = 6,802,081,080,205,134 - Step 5: Solve for x
x = 6,802,081,080,205,134/90,037,114.99 - Step 6: Final answer
x = 75,547,523.72
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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.