Finding the Fourth Proportional to 75,795,752.80, 113,481,052.80 and 73,669,988.80
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Solution
The fourth proportional to 75,795,752.80, 113,481,052.80 and 73,669,988.80 is: 110,298,368.71
Step by Step Solution
- Step 1: Write the proportion equation
75,795,752.80 : 113,481,052.80 = 73,669,988.80 : x - Step 2: Convert to fraction form
75,795,752.80/113,481,052.80 = 73,669,988.80/x - Step 3: Cross multiply
75,795,752.80x = 113,481,052.80 × 73,669,988.80 - Step 4: Simplify right side
75,795,752.80x = 8,360,147,888,788,208 - Step 5: Solve for x
x = 8,360,147,888,788,208/75,795,752.80 - Step 6: Final answer
x = 110,298,368.71
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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.