Finding the Fourth Proportional to 195,812,277.20, 293,718,415.80 and 93,775,605.20
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Solution
The fourth proportional to 195,812,277.20, 293,718,415.80 and 93,775,605.20 is: 140,663,407.80
Step by Step Solution
- Step 1: Write the proportion equation
195,812,277.20 : 293,718,415.80 = 93,775,605.20 : x - Step 2: Convert to fraction form
195,812,277.20/293,718,415.80 = 93,775,605.20/x - Step 3: Cross multiply
195,812,277.20x = 293,718,415.80 × 93,775,605.20 - Step 4: Simplify right side
195,812,277.20x = 27,543,622,200,030,244 - Step 5: Solve for x
x = 27,543,622,200,030,244/195,812,277.20 - Step 6: Final answer
x = 140,663,407.80
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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.