Finding the Fourth Proportional to 99,575,685.91, 149,278,334.69 and 38,208,883.06
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Solution
The fourth proportional to 99,575,685.91, 149,278,334.69 and 38,208,883.06 is: 57,280,634.14
Step by Step Solution
- Step 1: Write the proportion equation
99,575,685.91 : 149,278,334.69 = 38,208,883.06 : x - Step 2: Convert to fraction form
99,575,685.91/149,278,334.69 = 38,208,883.06/x - Step 3: Cross multiply
99,575,685.91x = 149,278,334.69 × 38,208,883.06 - Step 4: Simplify right side
99,575,685.91x = 5,703,758,433,370,707 - Step 5: Solve for x
x = 5,703,758,433,370,707/99,575,685.91 - Step 6: Final answer
x = 57,280,634.14
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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.