Finding the Fourth Proportional to 163,413,726.18, 225,504,156.62 and 89,072,651.13
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Solution
The fourth proportional to 163,413,726.18, 225,504,156.62 and 89,072,651.13 is: 122,916,559.95
Step by Step Solution
- Step 1: Write the proportion equation
163,413,726.18 : 225,504,156.62 = 89,072,651.13 : x - Step 2: Convert to fraction form
163,413,726.18/225,504,156.62 = 89,072,651.13/x - Step 3: Cross multiply
163,413,726.18x = 225,504,156.62 × 89,072,651.13 - Step 4: Simplify right side
163,413,726.18x = 20,086,253,070,532,776 - Step 5: Solve for x
x = 20,086,253,070,532,776/163,413,726.18 - Step 6: Final answer
x = 122,916,559.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.