Finding the Fourth Proportional to 67,709,207.34, 93,438,724.50 and 36,769,368.42
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Solution
The fourth proportional to 67,709,207.34, 93,438,724.50 and 36,769,368.42 is: 50,741,738.40
Step by Step Solution
- Step 1: Write the proportion equation
67,709,207.34 : 93,438,724.50 = 36,769,368.42 : x - Step 2: Convert to fraction form
67,709,207.34/93,438,724.50 = 36,769,368.42/x - Step 3: Cross multiply
67,709,207.34x = 93,438,724.50 × 36,769,368.42 - Step 4: Simplify right side
67,709,207.34x = 3,435,682,885,835,380.50 - Step 5: Solve for x
x = 3,435,682,885,835,380.50/67,709,207.34 - Step 6: Final answer
x = 50,741,738.40
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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.