Finding the Fourth Proportional to 70,864,624.38, 97,793,180.84 and 38,269,576.38
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Solution
The fourth proportional to 70,864,624.38, 97,793,180.84 and 38,269,576.38 is: 52,812,014.97
Step by Step Solution
- Step 1: Write the proportion equation
70,864,624.38 : 97,793,180.84 = 38,269,576.38 : x - Step 2: Convert to fraction form
70,864,624.38/97,793,180.84 = 38,269,576.38/x - Step 3: Cross multiply
70,864,624.38x = 97,793,180.84 × 38,269,576.38 - Step 4: Simplify right side
70,864,624.38x = 3,742,503,603,695,207 - Step 5: Solve for x
x = 3,742,503,603,695,207/70,864,624.38 - Step 6: Final answer
x = 52,812,014.97
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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.