Finding the Fourth Proportional to 64,497,368.46, 89,065,518.12 and 40,983,654.90
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Solution
The fourth proportional to 64,497,368.46, 89,065,518.12 and 40,983,654.90 is: 56,595,029.31
Step by Step Solution
- Step 1: Write the proportion equation
64,497,368.46 : 89,065,518.12 = 40,983,654.90 : x - Step 2: Convert to fraction form
64,497,368.46/89,065,518.12 = 40,983,654.90/x - Step 3: Cross multiply
64,497,368.46x = 89,065,518.12 × 40,983,654.90 - Step 4: Simplify right side
64,497,368.46x = 3,650,230,458,119,777 - Step 5: Solve for x
x = 3,650,230,458,119,777/64,497,368.46 - Step 6: Final answer
x = 56,595,029.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.