Finding the Fourth Proportional to 127,852,841.74, 176,484,902.28 and 83,802,679.34
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Solution
The fourth proportional to 127,852,841.74, 176,484,902.28 and 83,802,679.34 is: 115,679,147.00
Step by Step Solution
- Step 1: Write the proportion equation
127,852,841.74 : 176,484,902.28 = 83,802,679.34 : x - Step 2: Convert to fraction form
127,852,841.74/176,484,902.28 = 83,802,679.34/x - Step 3: Cross multiply
127,852,841.74x = 176,484,902.28 × 83,802,679.34 - Step 4: Simplify right side
127,852,841.74x = 14,789,907,674,122,076 - Step 5: Solve for x
x = 14,789,907,674,122,076/127,852,841.74 - Step 6: Final answer
x = 115,679,147.00
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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.