Finding the Fourth Proportional to 208,598,841.18, 312,660,239.81 and 84,021,735.02
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Solution
The fourth proportional to 208,598,841.18, 312,660,239.81 and 84,021,735.02 is: 125,936,729.42
Step by Step Solution
- Step 1: Write the proportion equation
208,598,841.18 : 312,660,239.81 = 84,021,735.02 : x - Step 2: Convert to fraction form
208,598,841.18/312,660,239.81 = 84,021,735.02/x - Step 3: Cross multiply
208,598,841.18x = 312,660,239.81 × 84,021,735.02 - Step 4: Simplify right side
208,598,841.18x = 26,270,255,818,622,068 - Step 5: Solve for x
x = 26,270,255,818,622,068/208,598,841.18 - Step 6: Final answer
x = 125,936,729.42
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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.