Finding the Fourth Proportional to 116,955,304.35, 161,400,230.94 and 64,031,129.07
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Solution
The fourth proportional to 116,955,304.35, 161,400,230.94 and 64,031,129.07 is: 88,364,004.32
Step by Step Solution
- Step 1: Write the proportion equation
116,955,304.35 : 161,400,230.94 = 64,031,129.07 : x - Step 2: Convert to fraction form
116,955,304.35/161,400,230.94 = 64,031,129.07/x - Step 3: Cross multiply
116,955,304.35x = 161,400,230.94 × 64,031,129.07 - Step 4: Simplify right side
116,955,304.35x = 10,334,639,018,881,174 - Step 5: Solve for x
x = 10,334,639,018,881,174/116,955,304.35 - Step 6: Final answer
x = 88,364,004.32
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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.