Finding the Fourth Proportional to 127,028,470.26, 175,234,655.43 and 83,001,207.54
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Solution
The fourth proportional to 127,028,470.26, 175,234,655.43 and 83,001,207.54 is: 114,499,434.45
Step by Step Solution
- Step 1: Write the proportion equation
127,028,470.26 : 175,234,655.43 = 83,001,207.54 : x - Step 2: Convert to fraction form
127,028,470.26/175,234,655.43 = 83,001,207.54/x - Step 3: Cross multiply
127,028,470.26x = 175,234,655.43 × 83,001,207.54 - Step 4: Simplify right side
127,028,470.26x = 14,544,688,003,545,820 - Step 5: Solve for x
x = 14,544,688,003,545,820/127,028,470.26 - Step 6: Final answer
x = 114,499,434.45
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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.