Finding the Fourth Proportional to 147,622,812.82, 203,725,670.73 and 84,898,959.75
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Solution
The fourth proportional to 147,622,812.82, 203,725,670.73 and 84,898,959.75 is: 117,164,123.82
Step by Step Solution
- Step 1: Write the proportion equation
147,622,812.82 : 203,725,670.73 = 84,898,959.75 : x - Step 2: Convert to fraction form
147,622,812.82/203,725,670.73 = 84,898,959.75/x - Step 3: Cross multiply
147,622,812.82x = 203,725,670.73 × 84,898,959.75 - Step 4: Simplify right side
147,622,812.82x = 17,296,097,519,348,022 - Step 5: Solve for x
x = 17,296,097,519,348,022/147,622,812.82 - Step 6: Final answer
x = 117,164,123.82
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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.