Finding the Fourth Proportional to 68,376,032.18, 94,355,186.61 and 37,430,215.22
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Solution
The fourth proportional to 68,376,032.18, 94,355,186.61 and 37,430,215.22 is: 51,651,650.87
Step by Step Solution
- Step 1: Write the proportion equation
68,376,032.18 : 94,355,186.61 = 37,430,215.22 : x - Step 2: Convert to fraction form
68,376,032.18/94,355,186.61 = 37,430,215.22/x - Step 3: Cross multiply
68,376,032.18x = 94,355,186.61 × 37,430,215.22 - Step 4: Simplify right side
68,376,032.18x = 3,531,734,941,935,562 - Step 5: Solve for x
x = 3,531,734,941,935,562/68,376,032.18 - Step 6: Final answer
x = 51,651,650.87
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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.