Finding the Fourth Proportional to 127,747,917.28, 176,292,282.58 and 69,010,581.18
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Solution
The fourth proportional to 127,747,917.28, 176,292,282.58 and 69,010,581.18 is: 95,234,686.70
Step by Step Solution
- Step 1: Write the proportion equation
127,747,917.28 : 176,292,282.58 = 69,010,581.18 : x - Step 2: Convert to fraction form
127,747,917.28/176,292,282.58 = 69,010,581.18/x - Step 3: Cross multiply
127,747,917.28x = 176,292,282.58 × 69,010,581.18 - Step 4: Simplify right side
127,747,917.28x = 12,166,032,879,270,998 - Step 5: Solve for x
x = 12,166,032,879,270,998/127,747,917.28 - Step 6: Final answer
x = 95,234,686.70
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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.