Finding the Fourth Proportional to 134,783,140.12, 202,175,302.48 and 42,667,330.70
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Solution
The fourth proportional to 134,783,140.12, 202,175,302.48 and 42,667,330.70 is: 64,001,183.55
Step by Step Solution
- Step 1: Write the proportion equation
134,783,140.12 : 202,175,302.48 = 42,667,330.70 : x - Step 2: Convert to fraction form
134,783,140.12/202,175,302.48 = 42,667,330.70/x - Step 3: Cross multiply
134,783,140.12x = 202,175,302.48 × 42,667,330.70 - Step 4: Simplify right side
134,783,140.12x = 8,626,280,490,286,690 - Step 5: Solve for x
x = 8,626,280,490,286,690/134,783,140.12 - Step 6: Final answer
x = 64,001,183.55
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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.