Finding the Fourth Proportional to 149,735,148.88, 206,599,092.96 and 86,973,954.88
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Solution
The fourth proportional to 149,735,148.88, 206,599,092.96 and 86,973,954.88 is: 120,003,488.32
Step by Step Solution
- Step 1: Write the proportion equation
149,735,148.88 : 206,599,092.96 = 86,973,954.88 : x - Step 2: Convert to fraction form
149,735,148.88/206,599,092.96 = 86,973,954.88/x - Step 3: Cross multiply
149,735,148.88x = 206,599,092.96 × 86,973,954.88 - Step 4: Simplify right side
149,735,148.88x = 17,968,740,189,351,966 - Step 5: Solve for x
x = 17,968,740,189,351,966/149,735,148.88 - Step 6: Final answer
x = 120,003,488.32
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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.