Finding the Fourth Proportional to 203,829,718.28, 281,288,247.14 and 115,721,918.06
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Solution
The fourth proportional to 203,829,718.28, 281,288,247.14 and 115,721,918.06 is: 159,698,084.07
Step by Step Solution
- Step 1: Write the proportion equation
203,829,718.28 : 281,288,247.14 = 115,721,918.06 : x - Step 2: Convert to fraction form
203,829,718.28/281,288,247.14 = 115,721,918.06/x - Step 3: Cross multiply
203,829,718.28x = 281,288,247.14 × 115,721,918.06 - Step 4: Simplify right side
203,829,718.28x = 32,551,215,485,658,972 - Step 5: Solve for x
x = 32,551,215,485,658,972/203,829,718.28 - Step 6: Final answer
x = 159,698,084.07
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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.