Finding the Fourth Proportional to 199,320,440.79, 275,087,050.64 and 115,670,610.43
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Solution
The fourth proportional to 199,320,440.79, 275,087,050.64 and 115,670,610.43 is: 159,639,859.03
Step by Step Solution
- Step 1: Write the proportion equation
199,320,440.79 : 275,087,050.64 = 115,670,610.43 : x - Step 2: Convert to fraction form
199,320,440.79/275,087,050.64 = 115,670,610.43/x - Step 3: Cross multiply
199,320,440.79x = 275,087,050.64 × 115,670,610.43 - Step 4: Simplify right side
199,320,440.79x = 31,819,487,068,917,124 - Step 5: Solve for x
x = 31,819,487,068,917,124/199,320,440.79 - Step 6: Final answer
x = 159,639,859.03
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1.5x scale
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.