Finding the Fourth Proportional to 163,757,716.04, 225,986,740.66 and 89,418,792.76
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Solution
The fourth proportional to 163,757,716.04, 225,986,740.66 and 89,418,792.76 is: 123,398,530.57
Step by Step Solution
- Step 1: Write the proportion equation
163,757,716.04 : 225,986,740.66 = 89,418,792.76 : x - Step 2: Convert to fraction form
163,757,716.04/225,986,740.66 = 89,418,792.76/x - Step 3: Cross multiply
163,757,716.04x = 225,986,740.66 × 89,418,792.76 - Step 4: Simplify right side
163,757,716.04x = 20,207,461,529,584,408 - Step 5: Solve for x
x = 20,207,461,529,584,408/163,757,716.04 - Step 6: Final answer
x = 123,398,530.57
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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.