Finding the Fourth Proportional to 49,521,919.70, 68,342,383.59 and 27,495,420.21
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Solution
The fourth proportional to 49,521,919.70, 68,342,383.59 and 27,495,420.21 is: 37,944,864.95
Step by Step Solution
- Step 1: Write the proportion equation
49,521,919.70 : 68,342,383.59 = 27,495,420.21 : x - Step 2: Convert to fraction form
49,521,919.70/68,342,383.59 = 27,495,420.21/x - Step 3: Cross multiply
49,521,919.70x = 68,342,383.59 × 27,495,420.21 - Step 4: Simplify right side
49,521,919.70x = 1,879,102,554,960,058.50 - Step 5: Solve for x
x = 1,879,102,554,960,058.50/49,521,919.70 - Step 6: Final answer
x = 37,944,864.95
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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.