Finding the Fourth Proportional to 58,139,390.58, 87,222,579.65 and 19,801,236.84
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Solution
The fourth proportional to 58,139,390.58, 87,222,579.65 and 19,801,236.84 is: 29,706,451.00
Step by Step Solution
- Step 1: Write the proportion equation
58,139,390.58 : 87,222,579.65 = 19,801,236.84 : x - Step 2: Convert to fraction form
58,139,390.58/87,222,579.65 = 19,801,236.84/x - Step 3: Cross multiply
58,139,390.58x = 87,222,579.65 × 19,801,236.84 - Step 4: Simplify right side
58,139,390.58x = 1,727,114,957,445,414.50 - Step 5: Solve for x
x = 1,727,114,957,445,414.50/58,139,390.58 - Step 6: Final answer
x = 29,706,451.00
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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.