Finding the Fourth Proportional to 202,143,153.06, 278,957,737.53 and 109,323,660.96
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Solution
The fourth proportional to 202,143,153.06, 278,957,737.53 and 109,323,660.96 is: 150,866,752.88
Step by Step Solution
- Step 1: Write the proportion equation
202,143,153.06 : 278,957,737.53 = 109,323,660.96 : x - Step 2: Convert to fraction form
202,143,153.06/278,957,737.53 = 109,323,660.96/x - Step 3: Cross multiply
202,143,153.06x = 278,957,737.53 × 109,323,660.96 - Step 4: Simplify right side
202,143,153.06x = 30,496,681,119,898,384 - Step 5: Solve for x
x = 30,496,681,119,898,384/202,143,153.06 - Step 6: Final answer
x = 150,866,752.88
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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.