Finding the Fourth Proportional to 358,747,035.20, 495,070,904.04 and 193,734,590.12
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Solution
The fourth proportional to 358,747,035.20, 495,070,904.04 and 193,734,590.12 is: 267,353,731.92
Step by Step Solution
- Step 1: Write the proportion equation
358,747,035.20 : 495,070,904.04 = 193,734,590.12 : x - Step 2: Convert to fraction form
358,747,035.20/495,070,904.04 = 193,734,590.12/x - Step 3: Cross multiply
358,747,035.20x = 495,070,904.04 × 193,734,590.12 - Step 4: Simplify right side
358,747,035.20x = 95,912,358,674,527,264 - Step 5: Solve for x
x = 95,912,358,674,527,264/358,747,035.20 - Step 6: Final answer
x = 267,353,731.92
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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.