Finding the Fourth Proportional to 127,786,860.68, 176,345,558.90 and 69,840,523.40
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Solution
The fourth proportional to 127,786,860.68, 176,345,558.90 and 69,840,523.40 is: 96,379,753.50
Step by Step Solution
- Step 1: Write the proportion equation
127,786,860.68 : 176,345,558.90 = 69,840,523.40 : x - Step 2: Convert to fraction form
127,786,860.68/176,345,558.90 = 69,840,523.40/x - Step 3: Cross multiply
127,786,860.68x = 176,345,558.90 × 69,840,523.40 - Step 4: Simplify right side
127,786,860.68x = 12,316,066,132,841,530 - Step 5: Solve for x
x = 12,316,066,132,841,530/127,786,860.68 - Step 6: Final answer
x = 96,379,753.50
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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.