Finding the Fourth Proportional to 342,202,919.41, 472,240,154.66 and 185,569,984.88
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Solution
The fourth proportional to 342,202,919.41, 472,240,154.66 and 185,569,984.88 is: 256,086,647.39
Step by Step Solution
- Step 1: Write the proportion equation
342,202,919.41 : 472,240,154.66 = 185,569,984.88 : x - Step 2: Convert to fraction form
342,202,919.41/472,240,154.66 = 185,569,984.88/x - Step 3: Cross multiply
342,202,919.41x = 472,240,154.66 × 185,569,984.88 - Step 4: Simplify right side
342,202,919.41x = 87,633,598,359,985,072 - Step 5: Solve for x
x = 87,633,598,359,985,072/342,202,919.41 - Step 6: Final answer
x = 256,086,647.39
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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.