Finding the Fourth Proportional to 207,450,512.78, 286,298,027.05 and 118,146,233.01
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Solution
The fourth proportional to 207,450,512.78, 286,298,027.05 and 118,146,233.01 is: 163,051,095.71
Step by Step Solution
- Step 1: Write the proportion equation
207,450,512.78 : 286,298,027.05 = 118,146,233.01 : x - Step 2: Convert to fraction form
207,450,512.78/286,298,027.05 = 118,146,233.01/x - Step 3: Cross multiply
207,450,512.78x = 286,298,027.05 × 118,146,233.01 - Step 4: Simplify right side
207,450,512.78x = 33,825,033,412,721,092 - Step 5: Solve for x
x = 33,825,033,412,721,092/207,450,512.78 - Step 6: Final answer
x = 163,051,095.71
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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.