Finding the Fourth Proportional to 121,642,741.36, 182,448,894.95 and 39,754,769.14
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Solution
The fourth proportional to 121,642,741.36, 182,448,894.95 and 39,754,769.14 is: 59,627,180.52
Step by Step Solution
- Step 1: Write the proportion equation
121,642,741.36 : 182,448,894.95 = 39,754,769.14 : x - Step 2: Convert to fraction form
121,642,741.36/182,448,894.95 = 39,754,769.14/x - Step 3: Cross multiply
121,642,741.36x = 182,448,894.95 × 39,754,769.14 - Step 4: Simplify right side
121,642,741.36x = 7,253,213,698,585,361 - Step 5: Solve for x
x = 7,253,213,698,585,361/121,642,741.36 - Step 6: Final answer
x = 59,627,180.52
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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.