Finding the Fourth Proportional to 127,199,222.37, 190,758,384.99 and 40,917,545.28
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Solution
The fourth proportional to 127,199,222.37, 190,758,384.99 and 40,917,545.28 is: 61,363,306.39
Step by Step Solution
- Step 1: Write the proportion equation
127,199,222.37 : 190,758,384.99 = 40,917,545.28 : x - Step 2: Convert to fraction form
127,199,222.37/190,758,384.99 = 40,917,545.28/x - Step 3: Cross multiply
127,199,222.37x = 190,758,384.99 × 40,917,545.28 - Step 4: Simplify right side
127,199,222.37x = 7,805,364,855,367,998 - Step 5: Solve for x
x = 7,805,364,855,367,998/127,199,222.37 - Step 6: Final answer
x = 61,363,306.39
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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.