Finding the Fourth Proportional to 204,596,438.03, 306,943,058.77 and 66,421,778.03
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Solution
The fourth proportional to 204,596,438.03, 306,943,058.77 and 66,421,778.03 is: 99,648,380.56
Step by Step Solution
- Step 1: Write the proportion equation
204,596,438.03 : 306,943,058.77 = 66,421,778.03 : x - Step 2: Convert to fraction form
204,596,438.03/306,943,058.77 = 66,421,778.03/x - Step 3: Cross multiply
204,596,438.03x = 306,943,058.77 × 66,421,778.03 - Step 4: Simplify right side
204,596,438.03x = 20,387,703,717,470,184 - Step 5: Solve for x
x = 20,387,703,717,470,184/204,596,438.03 - Step 6: Final answer
x = 99,648,380.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.