Finding the Fourth Proportional to 315,768,859.96, 435,895,201.36 and 196,750,255.83
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Solution
The fourth proportional to 315,768,859.96, 435,895,201.36 and 196,750,255.83 is: 271,598,954.99
Step by Step Solution
- Step 1: Write the proportion equation
315,768,859.96 : 435,895,201.36 = 196,750,255.83 : x - Step 2: Convert to fraction form
315,768,859.96/435,895,201.36 = 196,750,255.83/x - Step 3: Cross multiply
315,768,859.96x = 435,895,201.36 × 196,750,255.83 - Step 4: Simplify right side
315,768,859.96x = 85,762,492,382,649,376 - Step 5: Solve for x
x = 85,762,492,382,649,376/315,768,859.96 - Step 6: Final answer
x = 271,598,954.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.