Finding the Fourth Proportional to 154,922,252.54, 213,784,346.99 and 88,845,535.80
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Solution
The fourth proportional to 154,922,252.54, 213,784,346.99 and 88,845,535.80 is: 122,602,044.21
Step by Step Solution
- Step 1: Write the proportion equation
154,922,252.54 : 213,784,346.99 = 88,845,535.80 : x - Step 2: Convert to fraction form
154,922,252.54/213,784,346.99 = 88,845,535.80/x - Step 3: Cross multiply
154,922,252.54x = 213,784,346.99 × 88,845,535.80 - Step 4: Simplify right side
154,922,252.54x = 18,993,784,854,201,780 - Step 5: Solve for x
x = 18,993,784,854,201,780/154,922,252.54 - Step 6: Final answer
x = 122,602,044.21
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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.