Finding the Fourth Proportional to 127,733,918.95, 176,272,780.99 and 68,996,584.65
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Solution
The fourth proportional to 127,733,918.95, 176,272,780.99 and 68,996,584.65 is: 95,215,272.15
Step by Step Solution
- Step 1: Write the proportion equation
127,733,918.95 : 176,272,780.99 = 68,996,584.65 : x - Step 2: Convert to fraction form
127,733,918.95/176,272,780.99 = 68,996,584.65/x - Step 3: Cross multiply
127,733,918.95x = 176,272,780.99 × 68,996,584.65 - Step 4: Simplify right side
127,733,918.95x = 12,162,219,855,067,448 - Step 5: Solve for x
x = 12,162,219,855,067,448/127,733,918.95 - Step 6: Final answer
x = 95,215,272.15
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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.