Finding the Fourth Proportional to 121,841,502.15, 182,744,307.04 and 39,969,032.12
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Solution
The fourth proportional to 121,841,502.15, 182,744,307.04 and 39,969,032.12 is: 59,947,661.09
Step by Step Solution
- Step 1: Write the proportion equation
121,841,502.15 : 182,744,307.04 = 39,969,032.12 : x - Step 2: Convert to fraction form
121,841,502.15/182,744,307.04 = 39,969,032.12/x - Step 3: Cross multiply
121,841,502.15x = 182,744,307.04 × 39,969,032.12 - Step 4: Simplify right side
121,841,502.15x = 7,304,113,077,828,901 - Step 5: Solve for x
x = 7,304,113,077,828,901/121,841,502.15 - Step 6: Final answer
x = 59,947,661.09
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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.