Finding the Fourth Proportional to 70,864,624.10, 97,793,180.43 and 38,269,576.10
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Solution
The fourth proportional to 70,864,624.10, 97,793,180.43 and 38,269,576.10 is: 52,812,014.57
Step by Step Solution
- Step 1: Write the proportion equation
70,864,624.10 : 97,793,180.43 = 38,269,576.10 : x - Step 2: Convert to fraction form
70,864,624.10/97,793,180.43 = 38,269,576.10/x - Step 3: Cross multiply
70,864,624.10x = 97,793,180.43 × 38,269,576.10 - Step 4: Simplify right side
70,864,624.10x = 3,742,503,560,037,950 - Step 5: Solve for x
x = 3,742,503,560,037,950/70,864,624.10 - Step 6: Final answer
x = 52,812,014.57
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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.