Finding the Fourth Proportional to 132,090,029.70, 198,135,044.55 and 51,258,509.70
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Solution
The fourth proportional to 132,090,029.70, 198,135,044.55 and 51,258,509.70 is: 76,887,764.55
Step by Step Solution
- Step 1: Write the proportion equation
132,090,029.70 : 198,135,044.55 = 51,258,509.70 : x - Step 2: Convert to fraction form
132,090,029.70/198,135,044.55 = 51,258,509.70/x - Step 3: Cross multiply
132,090,029.70x = 198,135,044.55 × 51,258,509.70 - Step 4: Simplify right side
132,090,029.70x = 10,156,107,102,976,108 - Step 5: Solve for x
x = 10,156,107,102,976,108/132,090,029.70 - Step 6: Final answer
x = 76,887,764.55
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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.