Finding the Fourth Proportional to 85,802,395.07, 118,296,166.28 and 55,573,108.36
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Solution
The fourth proportional to 85,802,395.07, 118,296,166.28 and 55,573,108.36 is: 76,618,906.28
Step by Step Solution
- Step 1: Write the proportion equation
85,802,395.07 : 118,296,166.28 = 55,573,108.36 : x - Step 2: Convert to fraction form
85,802,395.07/118,296,166.28 = 55,573,108.36/x - Step 3: Cross multiply
85,802,395.07x = 118,296,166.28 × 55,573,108.36 - Step 4: Simplify right side
85,802,395.07x = 6,574,085,666,381,672 - Step 5: Solve for x
x = 6,574,085,666,381,672/85,802,395.07 - Step 6: Final answer
x = 76,618,906.28
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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.