Finding the Fourth Proportional to 186,659,628.26, 257,551,831.74 and 107,259,347.88
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Solution
The fourth proportional to 186,659,628.26, 257,551,831.74 and 107,259,347.88 is: 147,995,802.72
Step by Step Solution
- Step 1: Write the proportion equation
186,659,628.26 : 257,551,831.74 = 107,259,347.88 : x - Step 2: Convert to fraction form
186,659,628.26/257,551,831.74 = 107,259,347.88/x - Step 3: Cross multiply
186,659,628.26x = 257,551,831.74 × 107,259,347.88 - Step 4: Simplify right side
186,659,628.26x = 27,624,841,518,133,032 - Step 5: Solve for x
x = 27,624,841,518,133,032/186,659,628.26 - Step 6: Final answer
x = 147,995,802.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.