Finding the Fourth Proportional to 68,068,830.08, 102,087,694.80 and 19,546,298.56
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Solution
The fourth proportional to 68,068,830.08, 102,087,694.80 and 19,546,298.56 is: 29,314,982.49
Step by Step Solution
- Step 1: Write the proportion equation
68,068,830.08 : 102,087,694.80 = 19,546,298.56 : x - Step 2: Convert to fraction form
68,068,830.08/102,087,694.80 = 19,546,298.56/x - Step 3: Cross multiply
68,068,830.08x = 102,087,694.80 × 19,546,298.56 - Step 4: Simplify right side
68,068,830.08x = 1,995,436,561,862,959.25 - Step 5: Solve for x
x = 1,995,436,561,862,959.25/68,068,830.08 - Step 6: Final answer
x = 29,314,982.49
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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.