Finding the Fourth Proportional to 127,852,840.24, 176,484,900.20 and 83,802,677.84
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Solution
The fourth proportional to 127,852,840.24, 176,484,900.20 and 83,802,677.84 is: 115,679,144.92
Step by Step Solution
- Step 1: Write the proportion equation
127,852,840.24 : 176,484,900.20 = 83,802,677.84 : x - Step 2: Convert to fraction form
127,852,840.24/176,484,900.20 = 83,802,677.84/x - Step 3: Cross multiply
127,852,840.24x = 176,484,900.20 × 83,802,677.84 - Step 4: Simplify right side
127,852,840.24x = 14,789,907,234,412,232 - Step 5: Solve for x
x = 14,789,907,234,412,232/127,852,840.24 - Step 6: Final answer
x = 115,679,144.92
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1.5x scale
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.