Finding the Fourth Proportional to 107,215,101.44, 147,583,302.72 and 93,440,384
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Solution
The fourth proportional to 107,215,101.44, 147,583,302.72 and 93,440,384 is: 128,622,183.75
Step by Step Solution
- Step 1: Write the proportion equation
107,215,101.44 : 147,583,302.72 = 93,440,384 : x - Step 2: Convert to fraction form
107,215,101.44/147,583,302.72 = 93,440,384/x - Step 3: Cross multiply
107,215,101.44x = 147,583,302.72 × 93,440,384 - Step 4: Simplify right side
107,215,101.44x = 13,790,240,478,145,044 - Step 5: Solve for x
x = 13,790,240,478,145,044/107,215,101.44 - Step 6: Final answer
x = 128,622,183.75
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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.