Finding the Fourth Proportional to 106,296,943.96, 146,689,781.48 and 57,404,371.96
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Solution
The fourth proportional to 106,296,943.96, 146,689,781.48 and 57,404,371.96 is: 79,218,032.66
Step by Step Solution
- Step 1: Write the proportion equation
106,296,943.96 : 146,689,781.48 = 57,404,371.96 : x - Step 2: Convert to fraction form
106,296,943.96/146,689,781.48 = 57,404,371.96/x - Step 3: Cross multiply
106,296,943.96x = 146,689,781.48 × 57,404,371.96 - Step 4: Simplify right side
106,296,943.96x = 8,420,634,778,809,039 - Step 5: Solve for x
x = 8,420,634,778,809,039/106,296,943.96 - Step 6: Final answer
x = 79,218,032.66
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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.