Finding the Fourth Proportional to 113,358,415.10, 170,037,622.65 and 45,211,624.70
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Solution
The fourth proportional to 113,358,415.10, 170,037,622.65 and 45,211,624.70 is: 67,817,437.05
Step by Step Solution
- Step 1: Write the proportion equation
113,358,415.10 : 170,037,622.65 = 45,211,624.70 : x - Step 2: Convert to fraction form
113,358,415.10/170,037,622.65 = 45,211,624.70/x - Step 3: Cross multiply
113,358,415.10x = 170,037,622.65 × 45,211,624.70 - Step 4: Simplify right side
113,358,415.10x = 7,687,677,180,132,020 - Step 5: Solve for x
x = 7,687,677,180,132,020/113,358,415.10 - Step 6: Final answer
x = 67,817,437.05
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1.5x scale
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.