Finding the Fourth Proportional to 208,598,790.45, 312,660,164.03 and 84,021,684.26
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Solution
The fourth proportional to 208,598,790.45, 312,660,164.03 and 84,021,684.26 is: 125,936,653.44
Step by Step Solution
- Step 1: Write the proportion equation
208,598,790.45 : 312,660,164.03 = 84,021,684.26 : x - Step 2: Convert to fraction form
208,598,790.45/312,660,164.03 = 84,021,684.26/x - Step 3: Cross multiply
208,598,790.45x = 312,660,164.03 × 84,021,684.26 - Step 4: Simplify right side
208,598,790.45x = 26,270,233,580,825,056 - Step 5: Solve for x
x = 26,270,233,580,825,056/208,598,790.45 - Step 6: Final answer
x = 125,936,653.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.