Finding the Fourth Proportional to 149,735,147.88, 206,599,091.58 and 86,973,953.88
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Solution
The fourth proportional to 149,735,147.88, 206,599,091.58 and 86,973,953.88 is: 120,003,486.94
Step by Step Solution
- Step 1: Write the proportion equation
149,735,147.88 : 206,599,091.58 = 86,973,953.88 : x - Step 2: Convert to fraction form
149,735,147.88/206,599,091.58 = 86,973,953.88/x - Step 3: Cross multiply
149,735,147.88x = 206,599,091.58 × 86,973,953.88 - Step 4: Simplify right side
149,735,147.88x = 17,968,739,862,728,816 - Step 5: Solve for x
x = 17,968,739,862,728,816/149,735,147.88 - Step 6: Final answer
x = 120,003,486.94
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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.