Finding the Fourth Proportional to 129,034,927.80, 193,552,391.70 and 88,160,124.60
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Solution
The fourth proportional to 129,034,927.80, 193,552,391.70 and 88,160,124.60 is: 132,240,186.90
Step by Step Solution
- Step 1: Write the proportion equation
129,034,927.80 : 193,552,391.70 = 88,160,124.60 : x - Step 2: Convert to fraction form
129,034,927.80/193,552,391.70 = 88,160,124.60/x - Step 3: Cross multiply
129,034,927.80x = 193,552,391.70 × 88,160,124.60 - Step 4: Simplify right side
129,034,927.80x = 17,063,602,968,900,004 - Step 5: Solve for x
x = 17,063,602,968,900,004/129,034,927.80 - Step 6: Final answer
x = 132,240,186.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.