Finding the Fourth Proportional to 68,068,831.08, 102,087,696.30 and 19,546,299.56
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Solution
The fourth proportional to 68,068,831.08, 102,087,696.30 and 19,546,299.56 is: 29,314,983.99
Step by Step Solution
- Step 1: Write the proportion equation
68,068,831.08 : 102,087,696.30 = 19,546,299.56 : x - Step 2: Convert to fraction form
68,068,831.08/102,087,696.30 = 19,546,299.56/x - Step 3: Cross multiply
68,068,831.08x = 102,087,696.30 × 19,546,299.56 - Step 4: Simplify right side
68,068,831.08x = 1,995,436,693,270,103.50 - Step 5: Solve for x
x = 1,995,436,693,270,103.50/68,068,831.08 - Step 6: Final answer
x = 29,314,983.99
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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.