Finding the Fourth Proportional to 217,837,223.28, 300,626,026.11 and 122,497,737.81
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Solution
The fourth proportional to 217,837,223.28, 300,626,026.11 and 122,497,737.81 is: 169,052,871.55
Step by Step Solution
- Step 1: Write the proportion equation
217,837,223.28 : 300,626,026.11 = 122,497,737.81 : x - Step 2: Convert to fraction form
217,837,223.28/300,626,026.11 = 122,497,737.81/x - Step 3: Cross multiply
217,837,223.28x = 300,626,026.11 × 122,497,737.81 - Step 4: Simplify right side
217,837,223.28x = 36,826,008,125,285,000 - Step 5: Solve for x
x = 36,826,008,125,285,000/217,837,223.28 - Step 6: Final answer
x = 169,052,871.55
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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.