Finding the Fourth Proportional to 55,235,905.68, 82,850,852.64 and 16,897,419.84
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Solution
The fourth proportional to 55,235,905.68, 82,850,852.64 and 16,897,419.84 is: 25,345,210.22
Step by Step Solution
- Step 1: Write the proportion equation
55,235,905.68 : 82,850,852.64 = 16,897,419.84 : x - Step 2: Convert to fraction form
55,235,905.68/82,850,852.64 = 16,897,419.84/x - Step 3: Cross multiply
55,235,905.68x = 82,850,852.64 × 16,897,419.84 - Step 4: Simplify right side
55,235,905.68x = 1,399,965,641,160,052.50 - Step 5: Solve for x
x = 1,399,965,641,160,052.50/55,235,905.68 - Step 6: Final answer
x = 25,345,210.22
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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.