Finding the Fourth Proportional to 212,911,625.40, 319,402,475.46 and 65,355,480.60
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Solution
The fourth proportional to 212,911,625.40, 319,402,475.46 and 65,355,480.60 is: 98,043,975.99
Step by Step Solution
- Step 1: Write the proportion equation
212,911,625.40 : 319,402,475.46 = 65,355,480.60 : x - Step 2: Convert to fraction form
212,911,625.40/319,402,475.46 = 65,355,480.60/x - Step 3: Cross multiply
212,911,625.40x = 319,402,475.46 × 65,355,480.60 - Step 4: Simplify right side
212,911,625.40x = 20,874,702,288,518,004 - Step 5: Solve for x
x = 20,874,702,288,518,004/212,911,625.40 - Step 6: Final answer
x = 98,043,975.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.