Finding the Fourth Proportional to 154,502,851.77, 213,402,561 and 115,517,520.99
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Solution
The fourth proportional to 154,502,851.77, 213,402,561 and 115,517,520.99 is: 159,555,209.09
Step by Step Solution
- Step 1: Write the proportion equation
154,502,851.77 : 213,402,561 = 115,517,520.99 : x - Step 2: Convert to fraction form
154,502,851.77/213,402,561 = 115,517,520.99/x - Step 3: Cross multiply
154,502,851.77x = 213,402,561 × 115,517,520.99 - Step 4: Simplify right side
154,502,851.77x = 24,651,734,819,637,256 - Step 5: Solve for x
x = 24,651,734,819,637,256/154,502,851.77 - Step 6: Final answer
x = 159,555,209.09
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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.