Finding the Fourth Proportional to 107,839,206.70, 161,758,810.05 and 71,559,501.10
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Solution
The fourth proportional to 107,839,206.70, 161,758,810.05 and 71,559,501.10 is: 107,339,251.65
Step by Step Solution
- Step 1: Write the proportion equation
107,839,206.70 : 161,758,810.05 = 71,559,501.10 : x - Step 2: Convert to fraction form
107,839,206.70/161,758,810.05 = 71,559,501.10/x - Step 3: Cross multiply
107,839,206.70x = 161,758,810.05 × 71,559,501.10 - Step 4: Simplify right side
107,839,206.70x = 11,575,379,745,707,666 - Step 5: Solve for x
x = 11,575,379,745,707,666/107,839,206.70 - Step 6: Final answer
x = 107,339,251.65
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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.