Finding the Fourth Proportional to 68,376,032.68, 94,355,187.30 and 37,430,215.72
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Solution
The fourth proportional to 68,376,032.68, 94,355,187.30 and 37,430,215.72 is: 51,651,651.56
Step by Step Solution
- Step 1: Write the proportion equation
68,376,032.68 : 94,355,187.30 = 37,430,215.72 : x - Step 2: Convert to fraction form
68,376,032.68/94,355,187.30 = 37,430,215.72/x - Step 3: Cross multiply
68,376,032.68x = 94,355,187.30 × 37,430,215.72 - Step 4: Simplify right side
68,376,032.68x = 3,531,735,014,940,004 - Step 5: Solve for x
x = 3,531,735,014,940,004/68,376,032.68 - Step 6: Final answer
x = 51,651,651.56
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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.