Finding the Fourth Proportional to 86,697,574.97, 119,526,912.87 and 68,874,931.14
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Solution
The fourth proportional to 86,697,574.97, 119,526,912.87 and 68,874,931.14 is: 94,955,457.47
Step by Step Solution
- Step 1: Write the proportion equation
86,697,574.97 : 119,526,912.87 = 68,874,931.14 : x - Step 2: Convert to fraction form
86,697,574.97/119,526,912.87 = 68,874,931.14/x - Step 3: Cross multiply
86,697,574.97x = 119,526,912.87 × 68,874,931.14 - Step 4: Simplify right side
86,697,574.97x = 8,232,407,892,591,523 - Step 5: Solve for x
x = 8,232,407,892,591,523/86,697,574.97 - Step 6: Final answer
x = 94,955,457.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.