Finding the Fourth Proportional to 247,468,633.02, 341,512,129.35 and 135,960,911.10
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Solution
The fourth proportional to 247,468,633.02, 341,512,129.35 and 135,960,911.10 is: 187,629,032.78
Step by Step Solution
- Step 1: Write the proportion equation
247,468,633.02 : 341,512,129.35 = 135,960,911.10 : x - Step 2: Convert to fraction form
247,468,633.02/341,512,129.35 = 135,960,911.10/x - Step 3: Cross multiply
247,468,633.02x = 341,512,129.35 × 135,960,911.10 - Step 4: Simplify right side
247,468,633.02x = 46,432,300,258,127,048 - Step 5: Solve for x
x = 46,432,300,258,127,048/247,468,633.02 - Step 6: Final answer
x = 187,629,032.78
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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.